Home / 42,121.05-58,129.41-23,002.60

Finding the Fourth Proportional to 42,121.05, 58,129.41 and 23,002.60

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Solution

The fourth proportional to 42,121.05, 58,129.41 and 23,002.60 is: 31,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121.05 : 58,129.41 = 23,002.60 : x
  2. Step 2: Convert to fraction form
    42,121.05/58,129.41 = 23,002.60/x
  3. Step 3: Cross multiply
    42,121.05x = 58,129.41 × 23,002.60
  4. Step 4: Simplify right side
    42,121.05x = 1,337,127,566.47
  5. Step 5: Solve for x
    x = 1,337,127,566.47/42,121.05
  6. Step 6: Final answer
    x = 31,744.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.