Home / 29,520.10-44,280.15-18,439.30

Finding the Fourth Proportional to 29,520.10, 44,280.15 and 18,439.30

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Solution

The fourth proportional to 29,520.10, 44,280.15 and 18,439.30 is: 27,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,520.10 : 44,280.15 = 18,439.30 : x
  2. Step 2: Convert to fraction form
    29,520.10/44,280.15 = 18,439.30/x
  3. Step 3: Cross multiply
    29,520.10x = 44,280.15 × 18,439.30
  4. Step 4: Simplify right side
    29,520.10x = 816,494,969.90
  5. Step 5: Solve for x
    x = 816,494,969.90/29,520.10
  6. Step 6: Final answer
    x = 27,658.95

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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.