Home / 55,403.29-76,456.56-30,252.79

Finding the Fourth Proportional to 55,403.29, 76,456.56 and 30,252.79

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Solution

The fourth proportional to 55,403.29, 76,456.56 and 30,252.79 is: 41,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,403.29 : 76,456.56 = 30,252.79 : x
  2. Step 2: Convert to fraction form
    55,403.29/76,456.56 = 30,252.79/x
  3. Step 3: Cross multiply
    55,403.29x = 76,456.56 × 30,252.79
  4. Step 4: Simplify right side
    55,403.29x = 2,313,024,253.80
  5. Step 5: Solve for x
    x = 2,313,024,253.80/55,403.29
  6. Step 6: Final answer
    x = 41,748.86

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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.