Home / 51,882.96-77,833.56-21,487.76

Finding the Fourth Proportional to 51,882.96, 77,833.56 and 21,487.76

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Solution

The fourth proportional to 51,882.96, 77,833.56 and 21,487.76 is: 32,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,882.96 : 77,833.56 = 21,487.76 : x
  2. Step 2: Convert to fraction form
    51,882.96/77,833.56 = 21,487.76/x
  3. Step 3: Cross multiply
    51,882.96x = 77,833.56 × 21,487.76
  4. Step 4: Simplify right side
    51,882.96x = 1,672,468,857.23
  5. Step 5: Solve for x
    x = 1,672,468,857.23/51,882.96
  6. Step 6: Final answer
    x = 32,235.42

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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.