Home / 55,432.35-76,505.99-31,555.71

Finding the Fourth Proportional to 55,432.35, 76,505.99 and 31,555.71

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Solution

The fourth proportional to 55,432.35, 76,505.99 and 31,555.71 is: 43,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.35 : 76,505.99 = 31,555.71 : x
  2. Step 2: Convert to fraction form
    55,432.35/76,505.99 = 31,555.71/x
  3. Step 3: Cross multiply
    55,432.35x = 76,505.99 × 31,555.71
  4. Step 4: Simplify right side
    55,432.35x = 2,414,200,675.92
  5. Step 5: Solve for x
    x = 2,414,200,675.92/55,432.35
  6. Step 6: Final answer
    x = 43,552.20

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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.