Home / 49,490.17-68,280.38-27,977.84

Finding the Fourth Proportional to 49,490.17, 68,280.38 and 27,977.84

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Solution

The fourth proportional to 49,490.17, 68,280.38 and 27,977.84 is: 38,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,490.17 : 68,280.38 = 27,977.84 : x
  2. Step 2: Convert to fraction form
    49,490.17/68,280.38 = 27,977.84/x
  3. Step 3: Cross multiply
    49,490.17x = 68,280.38 × 27,977.84
  4. Step 4: Simplify right side
    49,490.17x = 1,910,337,065.49
  5. Step 5: Solve for x
    x = 1,910,337,065.49/49,490.17
  6. Step 6: Final answer
    x = 38,600.34

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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.