Home / 37,292.52-55,960.68-13,920.78

Finding the Fourth Proportional to 37,292.52, 55,960.68 and 13,920.78

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Solution

The fourth proportional to 37,292.52, 55,960.68 and 13,920.78 is: 20,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,292.52 : 55,960.68 = 13,920.78 : x
  2. Step 2: Convert to fraction form
    37,292.52/55,960.68 = 13,920.78/x
  3. Step 3: Cross multiply
    37,292.52x = 55,960.68 × 13,920.78
  4. Step 4: Simplify right side
    37,292.52x = 779,016,314.93
  5. Step 5: Solve for x
    x = 779,016,314.93/37,292.52
  6. Step 6: Final answer
    x = 20,889.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.