Home / 42,484.46-63,715.75-17,531.60

Finding the Fourth Proportional to 42,484.46, 63,715.75 and 17,531.60

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Solution

The fourth proportional to 42,484.46, 63,715.75 and 17,531.60 is: 26,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,484.46 : 63,715.75 = 17,531.60 : x
  2. Step 2: Convert to fraction form
    42,484.46/63,715.75 = 17,531.60/x
  3. Step 3: Cross multiply
    42,484.46x = 63,715.75 × 17,531.60
  4. Step 4: Simplify right side
    42,484.46x = 1,117,039,042.70
  5. Step 5: Solve for x
    x = 1,117,039,042.70/42,484.46
  6. Step 6: Final answer
    x = 26,292.89

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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.