Home / 40,672.08-61,008.48-14,377.20

Finding the Fourth Proportional to 40,672.08, 61,008.48 and 14,377.20

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Solution

The fourth proportional to 40,672.08, 61,008.48 and 14,377.20 is: 21,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,672.08 : 61,008.48 = 14,377.20 : x
  2. Step 2: Convert to fraction form
    40,672.08/61,008.48 = 14,377.20/x
  3. Step 3: Cross multiply
    40,672.08x = 61,008.48 × 14,377.20
  4. Step 4: Simplify right side
    40,672.08x = 877,131,118.66
  5. Step 5: Solve for x
    x = 877,131,118.66/40,672.08
  6. Step 6: Final answer
    x = 21,565.93

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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.