Home / 39,932.79-59,902.65-14,639.15

Finding the Fourth Proportional to 39,932.79, 59,902.65 and 14,639.15

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Solution

The fourth proportional to 39,932.79, 59,902.65 and 14,639.15 is: 21,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.79 : 59,902.65 = 14,639.15 : x
  2. Step 2: Convert to fraction form
    39,932.79/59,902.65 = 14,639.15/x
  3. Step 3: Cross multiply
    39,932.79x = 59,902.65 × 14,639.15
  4. Step 4: Simplify right side
    39,932.79x = 876,923,579.23
  5. Step 5: Solve for x
    x = 876,923,579.23/39,932.79
  6. Step 6: Final answer
    x = 21,959.99

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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.