Home / 31,990.70-48,000.45-15,344.30

Finding the Fourth Proportional to 31,990.70, 48,000.45 and 15,344.30

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Solution

The fourth proportional to 31,990.70, 48,000.45 and 15,344.30 is: 23,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.70 : 48,000.45 = 15,344.30 : x
  2. Step 2: Convert to fraction form
    31,990.70/48,000.45 = 15,344.30/x
  3. Step 3: Cross multiply
    31,990.70x = 48,000.45 × 15,344.30
  4. Step 4: Simplify right side
    31,990.70x = 736,533,304.94
  5. Step 5: Solve for x
    x = 736,533,304.94/31,990.70
  6. Step 6: Final answer
    x = 23,023.36

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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.