Home / 55,756.38-83,612.76-20,209.26

Finding the Fourth Proportional to 55,756.38, 83,612.76 and 20,209.26

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Solution

The fourth proportional to 55,756.38, 83,612.76 and 20,209.26 is: 30,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,756.38 : 83,612.76 = 20,209.26 : x
  2. Step 2: Convert to fraction form
    55,756.38/83,612.76 = 20,209.26/x
  3. Step 3: Cross multiply
    55,756.38x = 83,612.76 × 20,209.26
  4. Step 4: Simplify right side
    55,756.38x = 1,689,752,006.16
  5. Step 5: Solve for x
    x = 1,689,752,006.16/55,756.38
  6. Step 6: Final answer
    x = 30,305.98

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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.