Home / 38,018.68-52,465.60-21,251.68

Finding the Fourth Proportional to 38,018.68, 52,465.60 and 21,251.68

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Solution

The fourth proportional to 38,018.68, 52,465.60 and 21,251.68 is: 29,327.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018.68 : 52,465.60 = 21,251.68 : x
  2. Step 2: Convert to fraction form
    38,018.68/52,465.60 = 21,251.68/x
  3. Step 3: Cross multiply
    38,018.68x = 52,465.60 × 21,251.68
  4. Step 4: Simplify right side
    38,018.68x = 1,114,982,142.21
  5. Step 5: Solve for x
    x = 1,114,982,142.21/38,018.68
  6. Step 6: Final answer
    x = 29,327.22

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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.