Home / 42,982.92-64,475.22-14,903.88

Finding the Fourth Proportional to 42,982.92, 64,475.22 and 14,903.88

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Solution

The fourth proportional to 42,982.92, 64,475.22 and 14,903.88 is: 22,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,982.92 : 64,475.22 = 14,903.88 : x
  2. Step 2: Convert to fraction form
    42,982.92/64,475.22 = 14,903.88/x
  3. Step 3: Cross multiply
    42,982.92x = 64,475.22 × 14,903.88
  4. Step 4: Simplify right side
    42,982.92x = 960,930,941.85
  5. Step 5: Solve for x
    x = 960,930,941.85/42,982.92
  6. Step 6: Final answer
    x = 22,356.11

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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.