Home / 38,355.17-52,917.45-22,428.35

Finding the Fourth Proportional to 38,355.17, 52,917.45 and 22,428.35

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Solution

The fourth proportional to 38,355.17, 52,917.45 and 22,428.35 is: 30,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,355.17 : 52,917.45 = 22,428.35 : x
  2. Step 2: Convert to fraction form
    38,355.17/52,917.45 = 22,428.35/x
  3. Step 3: Cross multiply
    38,355.17x = 52,917.45 × 22,428.35
  4. Step 4: Simplify right side
    38,355.17x = 1,186,850,825.12
  5. Step 5: Solve for x
    x = 1,186,850,825.12/38,355.17
  6. Step 6: Final answer
    x = 30,943.70

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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.