Home / 39,929.52-59,901.12-16,543.20

Finding the Fourth Proportional to 39,929.52, 59,901.12 and 16,543.20

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Solution

The fourth proportional to 39,929.52, 59,901.12 and 16,543.20 is: 24,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929.52 : 59,901.12 = 16,543.20 : x
  2. Step 2: Convert to fraction form
    39,929.52/59,901.12 = 16,543.20/x
  3. Step 3: Cross multiply
    39,929.52x = 59,901.12 × 16,543.20
  4. Step 4: Simplify right side
    39,929.52x = 990,956,208.38
  5. Step 5: Solve for x
    x = 990,956,208.38/39,929.52
  6. Step 6: Final answer
    x = 24,817.63

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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.