Home / 38,221.98-52,746.85-21,227.32

Finding the Fourth Proportional to 38,221.98, 52,746.85 and 21,227.32

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Solution

The fourth proportional to 38,221.98, 52,746.85 and 21,227.32 is: 29,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.98 : 52,746.85 = 21,227.32 : x
  2. Step 2: Convert to fraction form
    38,221.98/52,746.85 = 21,227.32/x
  3. Step 3: Cross multiply
    38,221.98x = 52,746.85 × 21,227.32
  4. Step 4: Simplify right side
    38,221.98x = 1,119,674,263.94
  5. Step 5: Solve for x
    x = 1,119,674,263.94/38,221.98
  6. Step 6: Final answer
    x = 29,293.99

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Half scale
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Double scale
Find fourth proportional to 38,222.98, 52,748.23 and 21,228.32
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.