Home / 55,685.72-83,542.76-18,248.36

Finding the Fourth Proportional to 55,685.72, 83,542.76 and 18,248.36

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Solution

The fourth proportional to 55,685.72, 83,542.76 and 18,248.36 is: 27,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,685.72 : 83,542.76 = 18,248.36 : x
  2. Step 2: Convert to fraction form
    55,685.72/83,542.76 = 18,248.36/x
  3. Step 3: Cross multiply
    55,685.72x = 83,542.76 × 18,248.36
  4. Step 4: Simplify right side
    55,685.72x = 1,524,518,359.87
  5. Step 5: Solve for x
    x = 1,524,518,359.87/55,685.72
  6. Step 6: Final answer
    x = 27,377.19

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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.