Home / 52,484.20-78,534.30-38,660.20

Finding the Fourth Proportional to 52,484.20, 78,534.30 and 38,660.20

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Solution

The fourth proportional to 52,484.20, 78,534.30 and 38,660.20 is: 57,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,484.20 : 78,534.30 = 38,660.20 : x
  2. Step 2: Convert to fraction form
    52,484.20/78,534.30 = 38,660.20/x
  3. Step 3: Cross multiply
    52,484.20x = 78,534.30 × 38,660.20
  4. Step 4: Simplify right side
    52,484.20x = 3,036,151,744.86
  5. Step 5: Solve for x
    x = 3,036,151,744.86/52,484.20
  6. Step 6: Final answer
    x = 57,848.87

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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.