Home / 71,338.19-107,025.03-21,419.17

Finding the Fourth Proportional to 71,338.19, 107,025.03 and 21,419.17

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Solution

The fourth proportional to 71,338.19, 107,025.03 and 21,419.17 is: 32,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,338.19 : 107,025.03 = 21,419.17 : x
  2. Step 2: Convert to fraction form
    71,338.19/107,025.03 = 21,419.17/x
  3. Step 3: Cross multiply
    71,338.19x = 107,025.03 × 21,419.17
  4. Step 4: Simplify right side
    71,338.19x = 2,292,387,044.26
  5. Step 5: Solve for x
    x = 2,292,387,044.26/71,338.19
  6. Step 6: Final answer
    x = 32,134.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.