Home / 55,292.28-76,279.08-37,380.78

Finding the Fourth Proportional to 55,292.28, 76,279.08 and 37,380.78

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Solution

The fourth proportional to 55,292.28, 76,279.08 and 37,380.78 is: 51,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292.28 : 76,279.08 = 37,380.78 : x
  2. Step 2: Convert to fraction form
    55,292.28/76,279.08 = 37,380.78/x
  3. Step 3: Cross multiply
    55,292.28x = 76,279.08 × 37,380.78
  4. Step 4: Simplify right side
    55,292.28x = 2,851,371,508.08
  5. Step 5: Solve for x
    x = 2,851,371,508.08/55,292.28
  6. Step 6: Final answer
    x = 51,569.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.