Home / 38,220.98-52,745.47-21,226.32

Finding the Fourth Proportional to 38,220.98, 52,745.47 and 21,226.32

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Solution

The fourth proportional to 38,220.98, 52,745.47 and 21,226.32 is: 29,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220.98 : 52,745.47 = 21,226.32 : x
  2. Step 2: Convert to fraction form
    38,220.98/52,745.47 = 21,226.32/x
  3. Step 3: Cross multiply
    38,220.98x = 52,745.47 × 21,226.32
  4. Step 4: Simplify right side
    38,220.98x = 1,119,592,171.70
  5. Step 5: Solve for x
    x = 1,119,592,171.70/38,220.98
  6. Step 6: Final answer
    x = 29,292.61

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Half scale
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Double scale
Find fourth proportional to 38,221.98, 52,746.85 and 21,227.32
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.