Home / 39,932.10-59,898.15-18,865.22

Finding the Fourth Proportional to 39,932.10, 59,898.15 and 18,865.22

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Solution

The fourth proportional to 39,932.10, 59,898.15 and 18,865.22 is: 28,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.10 : 59,898.15 = 18,865.22 : x
  2. Step 2: Convert to fraction form
    39,932.10/59,898.15 = 18,865.22/x
  3. Step 3: Cross multiply
    39,932.10x = 59,898.15 × 18,865.22
  4. Step 4: Simplify right side
    39,932.10x = 1,129,991,477.85
  5. Step 5: Solve for x
    x = 1,129,991,477.85/39,932.10
  6. Step 6: Final answer
    x = 28,297.82

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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.