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Finding the Fourth Proportional to 37,143.64, 55,731.80 and 15,000.20

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Solution

The fourth proportional to 37,143.64, 55,731.80 and 15,000.20 is: 22,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.64 : 55,731.80 = 15,000.20 : x
  2. Step 2: Convert to fraction form
    37,143.64/55,731.80 = 15,000.20/x
  3. Step 3: Cross multiply
    37,143.64x = 55,731.80 × 15,000.20
  4. Step 4: Simplify right side
    37,143.64x = 835,988,146.36
  5. Step 5: Solve for x
    x = 835,988,146.36/37,143.64
  6. Step 6: Final answer
    x = 22,506.90

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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.