Home / 55,341.40-76,377.68-31,471.66

Finding the Fourth Proportional to 55,341.40, 76,377.68 and 31,471.66

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Solution

The fourth proportional to 55,341.40, 76,377.68 and 31,471.66 is: 43,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.40 : 76,377.68 = 31,471.66 : x
  2. Step 2: Convert to fraction form
    55,341.40/76,377.68 = 31,471.66/x
  3. Step 3: Cross multiply
    55,341.40x = 76,377.68 × 31,471.66
  4. Step 4: Simplify right side
    55,341.40x = 2,403,732,376.55
  5. Step 5: Solve for x
    x = 2,403,732,376.55/55,341.40
  6. Step 6: Final answer
    x = 43,434.61

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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.