Home / 42,217.30-63,350.80-15,582.04

Finding the Fourth Proportional to 42,217.30, 63,350.80 and 15,582.04

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Solution

The fourth proportional to 42,217.30, 63,350.80 and 15,582.04 is: 23,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,217.30 : 63,350.80 = 15,582.04 : x
  2. Step 2: Convert to fraction form
    42,217.30/63,350.80 = 15,582.04/x
  3. Step 3: Cross multiply
    42,217.30x = 63,350.80 × 15,582.04
  4. Step 4: Simplify right side
    42,217.30x = 987,134,699.63
  5. Step 5: Solve for x
    x = 987,134,699.63/42,217.30
  6. Step 6: Final answer
    x = 23,382.23

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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.