Home / 55,168.71-76,134.30-31,298.97

Finding the Fourth Proportional to 55,168.71, 76,134.30 and 31,298.97

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Solution

The fourth proportional to 55,168.71, 76,134.30 and 31,298.97 is: 43,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,168.71 : 76,134.30 = 31,298.97 : x
  2. Step 2: Convert to fraction form
    55,168.71/76,134.30 = 31,298.97/x
  3. Step 3: Cross multiply
    55,168.71x = 76,134.30 × 31,298.97
  4. Step 4: Simplify right side
    55,168.71x = 2,382,925,171.67
  5. Step 5: Solve for x
    x = 2,382,925,171.67/55,168.71
  6. Step 6: Final answer
    x = 43,193.42

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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.