Home / 42,238.60-63,329.10-20,062.60

Finding the Fourth Proportional to 42,238.60, 63,329.10 and 20,062.60

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Solution

The fourth proportional to 42,238.60, 63,329.10 and 20,062.60 is: 30,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,238.60 : 63,329.10 = 20,062.60 : x
  2. Step 2: Convert to fraction form
    42,238.60/63,329.10 = 20,062.60/x
  3. Step 3: Cross multiply
    42,238.60x = 63,329.10 × 20,062.60
  4. Step 4: Simplify right side
    42,238.60x = 1,270,546,401.66
  5. Step 5: Solve for x
    x = 1,270,546,401.66/42,238.60
  6. Step 6: Final answer
    x = 30,080.22

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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.