Home / 57,920.01-86,887.17-20,472.36

Finding the Fourth Proportional to 57,920.01, 86,887.17 and 20,472.36

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Solution

The fourth proportional to 57,920.01, 86,887.17 and 20,472.36 is: 30,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,920.01 : 86,887.17 = 20,472.36 : x
  2. Step 2: Convert to fraction form
    57,920.01/86,887.17 = 20,472.36/x
  3. Step 3: Cross multiply
    57,920.01x = 86,887.17 × 20,472.36
  4. Step 4: Simplify right side
    57,920.01x = 1,778,785,423.62
  5. Step 5: Solve for x
    x = 1,778,785,423.62/57,920.01
  6. Step 6: Final answer
    x = 30,711.07

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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.