Home / 55,753.49-76,920.98-31,863.15

Finding the Fourth Proportional to 55,753.49, 76,920.98 and 31,863.15

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Solution

The fourth proportional to 55,753.49, 76,920.98 and 31,863.15 is: 43,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,753.49 : 76,920.98 = 31,863.15 : x
  2. Step 2: Convert to fraction form
    55,753.49/76,920.98 = 31,863.15/x
  3. Step 3: Cross multiply
    55,753.49x = 76,920.98 × 31,863.15
  4. Step 4: Simplify right side
    55,753.49x = 2,450,944,564.57
  5. Step 5: Solve for x
    x = 2,450,944,564.57/55,753.49
  6. Step 6: Final answer
    x = 43,960.38

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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.