Home / 55,981.24-77,251.26-30,825.88

Finding the Fourth Proportional to 55,981.24, 77,251.26 and 30,825.88

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Solution

The fourth proportional to 55,981.24, 77,251.26 and 30,825.88 is: 42,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,981.24 : 77,251.26 = 30,825.88 : x
  2. Step 2: Convert to fraction form
    55,981.24/77,251.26 = 30,825.88/x
  3. Step 3: Cross multiply
    55,981.24x = 77,251.26 × 30,825.88
  4. Step 4: Simplify right side
    55,981.24x = 2,381,338,070.61
  5. Step 5: Solve for x
    x = 2,381,338,070.61/55,981.24
  6. Step 6: Final answer
    x = 42,538.14

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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.