Home / 45,456.17-62,729.45-25,314.81

Finding the Fourth Proportional to 45,456.17, 62,729.45 and 25,314.81

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Solution

The fourth proportional to 45,456.17, 62,729.45 and 25,314.81 is: 34,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.17 : 62,729.45 = 25,314.81 : x
  2. Step 2: Convert to fraction form
    45,456.17/62,729.45 = 25,314.81/x
  3. Step 3: Cross multiply
    45,456.17x = 62,729.45 × 25,314.81
  4. Step 4: Simplify right side
    45,456.17x = 1,587,983,981.58
  5. Step 5: Solve for x
    x = 1,587,983,981.58/45,456.17
  6. Step 6: Final answer
    x = 34,934.40

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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.