Home / 56,426.24-77,867.76-30,932.70

Finding the Fourth Proportional to 56,426.24, 77,867.76 and 30,932.70

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Solution

The fourth proportional to 56,426.24, 77,867.76 and 30,932.70 is: 42,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,426.24 : 77,867.76 = 30,932.70 : x
  2. Step 2: Convert to fraction form
    56,426.24/77,867.76 = 30,932.70/x
  3. Step 3: Cross multiply
    56,426.24x = 77,867.76 × 30,932.70
  4. Step 4: Simplify right side
    56,426.24x = 2,408,660,059.75
  5. Step 5: Solve for x
    x = 2,408,660,059.75/56,426.24
  6. Step 6: Final answer
    x = 42,686.88

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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.