Home / 38,747.20-58,127.60-20,022

Finding the Fourth Proportional to 38,747.20, 58,127.60 and 20,022

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Solution

The fourth proportional to 38,747.20, 58,127.60 and 20,022 is: 30,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.20 : 58,127.60 = 20,022 : x
  2. Step 2: Convert to fraction form
    38,747.20/58,127.60 = 20,022/x
  3. Step 3: Cross multiply
    38,747.20x = 58,127.60 × 20,022
  4. Step 4: Simplify right side
    38,747.20x = 1,163,830,807.20
  5. Step 5: Solve for x
    x = 1,163,830,807.20/38,747.20
  6. Step 6: Final answer
    x = 30,036.51

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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.