Home / 52,810.28-79,215.42-21,234.76

Finding the Fourth Proportional to 52,810.28, 79,215.42 and 21,234.76

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Solution

The fourth proportional to 52,810.28, 79,215.42 and 21,234.76 is: 31,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,810.28 : 79,215.42 = 21,234.76 : x
  2. Step 2: Convert to fraction form
    52,810.28/79,215.42 = 21,234.76/x
  3. Step 3: Cross multiply
    52,810.28x = 79,215.42 × 21,234.76
  4. Step 4: Simplify right side
    52,810.28x = 1,682,120,432.00
  5. Step 5: Solve for x
    x = 1,682,120,432.00/52,810.28
  6. Step 6: Final answer
    x = 31,852.14

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Similar ratio
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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.