Home / 38,246.15-52,778.84-21,249.41

Finding the Fourth Proportional to 38,246.15, 52,778.84 and 21,249.41

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Solution

The fourth proportional to 38,246.15, 52,778.84 and 21,249.41 is: 29,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,246.15 : 52,778.84 = 21,249.41 : x
  2. Step 2: Convert to fraction form
    38,246.15/52,778.84 = 21,249.41/x
  3. Step 3: Cross multiply
    38,246.15x = 52,778.84 × 21,249.41
  4. Step 4: Simplify right side
    38,246.15x = 1,121,518,840.34
  5. Step 5: Solve for x
    x = 1,121,518,840.34/38,246.15
  6. Step 6: Final answer
    x = 29,323.70

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Half scale
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Double scale
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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.