Home / 39,355.39-59,041.32-21,788.38

Finding the Fourth Proportional to 39,355.39, 59,041.32 and 21,788.38

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Solution

The fourth proportional to 39,355.39, 59,041.32 and 21,788.38 is: 32,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,355.39 : 59,041.32 = 21,788.38 : x
  2. Step 2: Convert to fraction form
    39,355.39/59,041.32 = 21,788.38/x
  3. Step 3: Cross multiply
    39,355.39x = 59,041.32 × 21,788.38
  4. Step 4: Simplify right side
    39,355.39x = 1,286,414,715.86
  5. Step 5: Solve for x
    x = 1,286,414,715.86/39,355.39
  6. Step 6: Final answer
    x = 32,687.13

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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.