Home / 37,030.38-55,520.94-20,398.28

Finding the Fourth Proportional to 37,030.38, 55,520.94 and 20,398.28

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Solution

The fourth proportional to 37,030.38, 55,520.94 and 20,398.28 is: 30,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,030.38 : 55,520.94 = 20,398.28 : x
  2. Step 2: Convert to fraction form
    37,030.38/55,520.94 = 20,398.28/x
  3. Step 3: Cross multiply
    37,030.38x = 55,520.94 × 20,398.28
  4. Step 4: Simplify right side
    37,030.38x = 1,132,531,679.98
  5. Step 5: Solve for x
    x = 1,132,531,679.98/37,030.38
  6. Step 6: Final answer
    x = 30,583.85

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1.5x scale

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.