Home / 48,542.46-72,813.72-13,482.12

Finding the Fourth Proportional to 48,542.46, 72,813.72 and 13,482.12

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Solution

The fourth proportional to 48,542.46, 72,813.72 and 13,482.12 is: 20,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,542.46 : 72,813.72 = 13,482.12 : x
  2. Step 2: Convert to fraction form
    48,542.46/72,813.72 = 13,482.12/x
  3. Step 3: Cross multiply
    48,542.46x = 72,813.72 × 13,482.12
  4. Step 4: Simplify right side
    48,542.46x = 981,683,310.69
  5. Step 5: Solve for x
    x = 981,683,310.69/48,542.46
  6. Step 6: Final answer
    x = 20,223.19

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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.