Home / 39,932.35-59,898.53-18,865.47

Finding the Fourth Proportional to 39,932.35, 59,898.53 and 18,865.47

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Solution

The fourth proportional to 39,932.35, 59,898.53 and 18,865.47 is: 28,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.35 : 59,898.53 = 18,865.47 : x
  2. Step 2: Convert to fraction form
    39,932.35/59,898.53 = 18,865.47/x
  3. Step 3: Cross multiply
    39,932.35x = 59,898.53 × 18,865.47
  4. Step 4: Simplify right side
    39,932.35x = 1,130,013,920.76
  5. Step 5: Solve for x
    x = 1,130,013,920.76/39,932.35
  6. Step 6: Final answer
    x = 28,298.21

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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.