Home / 57,650.28-79,557.42-31,154.28

Finding the Fourth Proportional to 57,650.28, 79,557.42 and 31,154.28

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Solution

The fourth proportional to 57,650.28, 79,557.42 and 31,154.28 is: 42,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,650.28 : 79,557.42 = 31,154.28 : x
  2. Step 2: Convert to fraction form
    57,650.28/79,557.42 = 31,154.28/x
  3. Step 3: Cross multiply
    57,650.28x = 79,557.42 × 31,154.28
  4. Step 4: Simplify right side
    57,650.28x = 2,478,554,138.76
  5. Step 5: Solve for x
    x = 2,478,554,138.76/57,650.28
  6. Step 6: Final answer
    x = 42,992.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.