Home / 42,322.60-63,505.50-17,381.80

Finding the Fourth Proportional to 42,322.60, 63,505.50 and 17,381.80

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Solution

The fourth proportional to 42,322.60, 63,505.50 and 17,381.80 is: 26,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,322.60 : 63,505.50 = 17,381.80 : x
  2. Step 2: Convert to fraction form
    42,322.60/63,505.50 = 17,381.80/x
  3. Step 3: Cross multiply
    42,322.60x = 63,505.50 × 17,381.80
  4. Step 4: Simplify right side
    42,322.60x = 1,103,839,899.90
  5. Step 5: Solve for x
    x = 1,103,839,899.90/42,322.60
  6. Step 6: Final answer
    x = 26,081.57

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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.