Home / 48,337.90-72,535.08-20,255.56

Finding the Fourth Proportional to 48,337.90, 72,535.08 and 20,255.56

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Solution

The fourth proportional to 48,337.90, 72,535.08 and 20,255.56 is: 30,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,337.90 : 72,535.08 = 20,255.56 : x
  2. Step 2: Convert to fraction form
    48,337.90/72,535.08 = 20,255.56/x
  3. Step 3: Cross multiply
    48,337.90x = 72,535.08 × 20,255.56
  4. Step 4: Simplify right side
    48,337.90x = 1,469,238,665.04
  5. Step 5: Solve for x
    x = 1,469,238,665.04/48,337.90
  6. Step 6: Final answer
    x = 30,395.17

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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.