Home / 55,377.74-76,422.12-31,504.58

Finding the Fourth Proportional to 55,377.74, 76,422.12 and 31,504.58

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Solution

The fourth proportional to 55,377.74, 76,422.12 and 31,504.58 is: 43,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,377.74 : 76,422.12 = 31,504.58 : x
  2. Step 2: Convert to fraction form
    55,377.74/76,422.12 = 31,504.58/x
  3. Step 3: Cross multiply
    55,377.74x = 76,422.12 × 31,504.58
  4. Step 4: Simplify right side
    55,377.74x = 2,407,646,793.31
  5. Step 5: Solve for x
    x = 2,407,646,793.31/55,377.74
  6. Step 6: Final answer
    x = 43,476.80

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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.