Home / 42,324.30-63,502.65-18,933.93

Finding the Fourth Proportional to 42,324.30, 63,502.65 and 18,933.93

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Solution

The fourth proportional to 42,324.30, 63,502.65 and 18,933.93 is: 28,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,324.30 : 63,502.65 = 18,933.93 : x
  2. Step 2: Convert to fraction form
    42,324.30/63,502.65 = 18,933.93/x
  3. Step 3: Cross multiply
    42,324.30x = 63,502.65 × 18,933.93
  4. Step 4: Simplify right side
    42,324.30x = 1,202,354,729.91
  5. Step 5: Solve for x
    x = 1,202,354,729.91/42,324.30
  6. Step 6: Final answer
    x = 28,408.14

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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.