Home / 48,729.12-67,244.28-30,589.61

Finding the Fourth Proportional to 48,729.12, 67,244.28 and 30,589.61

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Solution

The fourth proportional to 48,729.12, 67,244.28 and 30,589.61 is: 42,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,729.12 : 67,244.28 = 30,589.61 : x
  2. Step 2: Convert to fraction form
    48,729.12/67,244.28 = 30,589.61/x
  3. Step 3: Cross multiply
    48,729.12x = 67,244.28 × 30,589.61
  4. Step 4: Simplify right side
    48,729.12x = 2,056,975,963.71
  5. Step 5: Solve for x
    x = 2,056,975,963.71/48,729.12
  6. Step 6: Final answer
    x = 42,212.46

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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.