Home / 48,525.47-72,744.90-18,936.42

Finding the Fourth Proportional to 48,525.47, 72,744.90 and 18,936.42

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Solution

The fourth proportional to 48,525.47, 72,744.90 and 18,936.42 is: 28,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,525.47 : 72,744.90 = 18,936.42 : x
  2. Step 2: Convert to fraction form
    48,525.47/72,744.90 = 18,936.42/x
  3. Step 3: Cross multiply
    48,525.47x = 72,744.90 × 18,936.42
  4. Step 4: Simplify right side
    48,525.47x = 1,377,527,979.26
  5. Step 5: Solve for x
    x = 1,377,527,979.26/48,525.47
  6. Step 6: Final answer
    x = 28,387.73

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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.