Home / 37,928-56,897.40-20,154.02

Finding the Fourth Proportional to 37,928, 56,897.40 and 20,154.02

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Solution

The fourth proportional to 37,928, 56,897.40 and 20,154.02 is: 30,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,928 : 56,897.40 = 20,154.02 : x
  2. Step 2: Convert to fraction form
    37,928/56,897.40 = 20,154.02/x
  3. Step 3: Cross multiply
    37,928x = 56,897.40 × 20,154.02
  4. Step 4: Simplify right side
    37,928x = 1,146,711,337.55
  5. Step 5: Solve for x
    x = 1,146,711,337.55/37,928
  6. Step 6: Final answer
    x = 30,233.90

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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.