Home / 60,278.12-90,422.12-30,276.94

Finding the Fourth Proportional to 60,278.12, 90,422.12 and 30,276.94

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Solution

The fourth proportional to 60,278.12, 90,422.12 and 30,276.94 is: 45,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,278.12 : 90,422.12 = 30,276.94 : x
  2. Step 2: Convert to fraction form
    60,278.12/90,422.12 = 30,276.94/x
  3. Step 3: Cross multiply
    60,278.12x = 90,422.12 × 30,276.94
  4. Step 4: Simplify right side
    60,278.12x = 2,737,704,498.42
  5. Step 5: Solve for x
    x = 2,737,704,498.42/60,278.12
  6. Step 6: Final answer
    x = 45,417.88

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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.