Home / 39,972.69-59,959.04-13,677.66

Finding the Fourth Proportional to 39,972.69, 59,959.04 and 13,677.66

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Solution

The fourth proportional to 39,972.69, 59,959.04 and 13,677.66 is: 20,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,972.69 : 59,959.04 = 13,677.66 : x
  2. Step 2: Convert to fraction form
    39,972.69/59,959.04 = 13,677.66/x
  3. Step 3: Cross multiply
    39,972.69x = 59,959.04 × 13,677.66
  4. Step 4: Simplify right side
    39,972.69x = 820,099,294.66
  5. Step 5: Solve for x
    x = 820,099,294.66/39,972.69
  6. Step 6: Final answer
    x = 20,516.49

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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.