Home / 42,516.23-63,781.58-17,542.60

Finding the Fourth Proportional to 42,516.23, 63,781.58 and 17,542.60

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Solution

The fourth proportional to 42,516.23, 63,781.58 and 17,542.60 is: 26,316.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,516.23 : 63,781.58 = 17,542.60 : x
  2. Step 2: Convert to fraction form
    42,516.23/63,781.58 = 17,542.60/x
  3. Step 3: Cross multiply
    42,516.23x = 63,781.58 × 17,542.60
  4. Step 4: Simplify right side
    42,516.23x = 1,118,894,629.71
  5. Step 5: Solve for x
    x = 1,118,894,629.71/42,516.23
  6. Step 6: Final answer
    x = 26,316.89

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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.