Home / 42,661.26-63,991.62-14,567.76

Finding the Fourth Proportional to 42,661.26, 63,991.62 and 14,567.76

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Solution

The fourth proportional to 42,661.26, 63,991.62 and 14,567.76 is: 21,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,661.26 : 63,991.62 = 14,567.76 : x
  2. Step 2: Convert to fraction form
    42,661.26/63,991.62 = 14,567.76/x
  3. Step 3: Cross multiply
    42,661.26x = 63,991.62 × 14,567.76
  4. Step 4: Simplify right side
    42,661.26x = 932,214,562.17
  5. Step 5: Solve for x
    x = 932,214,562.17/42,661.26
  6. Step 6: Final answer
    x = 21,851.55

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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.