Home / 48,542.32-72,811.05-13,482.28

Finding the Fourth Proportional to 48,542.32, 72,811.05 and 13,482.28

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Solution

The fourth proportional to 48,542.32, 72,811.05 and 13,482.28 is: 20,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,542.32 : 72,811.05 = 13,482.28 : x
  2. Step 2: Convert to fraction form
    48,542.32/72,811.05 = 13,482.28/x
  3. Step 3: Cross multiply
    48,542.32x = 72,811.05 × 13,482.28
  4. Step 4: Simplify right side
    48,542.32x = 981,658,963.19
  5. Step 5: Solve for x
    x = 981,658,963.19/48,542.32
  6. Step 6: Final answer
    x = 20,222.75

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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.