Home / 45,715.38-68,510.79-22,021.21

Finding the Fourth Proportional to 45,715.38, 68,510.79 and 22,021.21

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Solution

The fourth proportional to 45,715.38, 68,510.79 and 22,021.21 is: 33,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,715.38 : 68,510.79 = 22,021.21 : x
  2. Step 2: Convert to fraction form
    45,715.38/68,510.79 = 22,021.21/x
  3. Step 3: Cross multiply
    45,715.38x = 68,510.79 × 22,021.21
  4. Step 4: Simplify right side
    45,715.38x = 1,508,690,322.58
  5. Step 5: Solve for x
    x = 1,508,690,322.58/45,715.38
  6. Step 6: Final answer
    x = 33,001.81

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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.