Home / 20,038.56-30,049.62-8,937.66

Finding the Fourth Proportional to 20,038.56, 30,049.62 and 8,937.66

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Solution

The fourth proportional to 20,038.56, 30,049.62 and 8,937.66 is: 13,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.56 : 30,049.62 = 8,937.66 : x
  2. Step 2: Convert to fraction form
    20,038.56/30,049.62 = 8,937.66/x
  3. Step 3: Cross multiply
    20,038.56x = 30,049.62 × 8,937.66
  4. Step 4: Simplify right side
    20,038.56x = 268,573,286.69
  5. Step 5: Solve for x
    x = 268,573,286.69/20,038.56
  6. Step 6: Final answer
    x = 13,402.82

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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.