Home / 42,436.04-63,593.72-31,254.80

Finding the Fourth Proportional to 42,436.04, 63,593.72 and 31,254.80

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Solution

The fourth proportional to 42,436.04, 63,593.72 and 31,254.80 is: 46,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,436.04 : 63,593.72 = 31,254.80 : x
  2. Step 2: Convert to fraction form
    42,436.04/63,593.72 = 31,254.80/x
  3. Step 3: Cross multiply
    42,436.04x = 63,593.72 × 31,254.80
  4. Step 4: Simplify right side
    42,436.04x = 1,987,609,002.57
  5. Step 5: Solve for x
    x = 1,987,609,002.57/42,436.04
  6. Step 6: Final answer
    x = 46,837.76

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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.