Home / 42,490.80-63,680.76-17,502.36

Finding the Fourth Proportional to 42,490.80, 63,680.76 and 17,502.36

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Solution

The fourth proportional to 42,490.80, 63,680.76 and 17,502.36 is: 26,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,490.80 : 63,680.76 = 17,502.36 : x
  2. Step 2: Convert to fraction form
    42,490.80/63,680.76 = 17,502.36/x
  3. Step 3: Cross multiply
    42,490.80x = 63,680.76 × 17,502.36
  4. Step 4: Simplify right side
    42,490.80x = 1,114,563,586.59
  5. Step 5: Solve for x
    x = 1,114,563,586.59/42,490.80
  6. Step 6: Final answer
    x = 26,230.70

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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.