Home / 55,757.38-83,614.26-20,210.26

Finding the Fourth Proportional to 55,757.38, 83,614.26 and 20,210.26

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Solution

The fourth proportional to 55,757.38, 83,614.26 and 20,210.26 is: 30,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,757.38 : 83,614.26 = 20,210.26 : x
  2. Step 2: Convert to fraction form
    55,757.38/83,614.26 = 20,210.26/x
  3. Step 3: Cross multiply
    55,757.38x = 83,614.26 × 20,210.26
  4. Step 4: Simplify right side
    55,757.38x = 1,689,865,934.31
  5. Step 5: Solve for x
    x = 1,689,865,934.31/55,757.38
  6. Step 6: Final answer
    x = 30,307.48

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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.