Home / 48,589.12-67,033.20-30,683.84

Finding the Fourth Proportional to 48,589.12, 67,033.20 and 30,683.84

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Solution

The fourth proportional to 48,589.12, 67,033.20 and 30,683.84 is: 42,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,589.12 : 67,033.20 = 30,683.84 : x
  2. Step 2: Convert to fraction form
    48,589.12/67,033.20 = 30,683.84/x
  3. Step 3: Cross multiply
    48,589.12x = 67,033.20 × 30,683.84
  4. Step 4: Simplify right side
    48,589.12x = 2,056,835,983.49
  5. Step 5: Solve for x
    x = 2,056,835,983.49/48,589.12
  6. Step 6: Final answer
    x = 42,331.20

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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.