Home / 60,000.13-90,056.69-30,439.18

Finding the Fourth Proportional to 60,000.13, 90,056.69 and 30,439.18

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Solution

The fourth proportional to 60,000.13, 90,056.69 and 30,439.18 is: 45,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,000.13 : 90,056.69 = 30,439.18 : x
  2. Step 2: Convert to fraction form
    60,000.13/90,056.69 = 30,439.18/x
  3. Step 3: Cross multiply
    60,000.13x = 90,056.69 × 30,439.18
  4. Step 4: Simplify right side
    60,000.13x = 2,741,251,797.11
  5. Step 5: Solve for x
    x = 2,741,251,797.11/60,000.13
  6. Step 6: Final answer
    x = 45,687.43

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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.