Home / 35,189.64-48,545.46-20,277

Finding the Fourth Proportional to 35,189.64, 48,545.46 and 20,277

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Solution

The fourth proportional to 35,189.64, 48,545.46 and 20,277 is: 27,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,189.64 : 48,545.46 = 20,277 : x
  2. Step 2: Convert to fraction form
    35,189.64/48,545.46 = 20,277/x
  3. Step 3: Cross multiply
    35,189.64x = 48,545.46 × 20,277
  4. Step 4: Simplify right side
    35,189.64x = 984,356,292.42
  5. Step 5: Solve for x
    x = 984,356,292.42/35,189.64
  6. Step 6: Final answer
    x = 27,972.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.