Home / 55,307.28-76,299.76-37,395.80

Finding the Fourth Proportional to 55,307.28, 76,299.76 and 37,395.80

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Solution

The fourth proportional to 55,307.28, 76,299.76 and 37,395.80 is: 51,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,307.28 : 76,299.76 = 37,395.80 : x
  2. Step 2: Convert to fraction form
    55,307.28/76,299.76 = 37,395.80/x
  3. Step 3: Cross multiply
    55,307.28x = 76,299.76 × 37,395.80
  4. Step 4: Simplify right side
    55,307.28x = 2,853,290,565.01
  5. Step 5: Solve for x
    x = 2,853,290,565.01/55,307.28
  6. Step 6: Final answer
    x = 51,589.78

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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.