Home / 53,660.97-80,490.51-18,600.12

Finding the Fourth Proportional to 53,660.97, 80,490.51 and 18,600.12

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Solution

The fourth proportional to 53,660.97, 80,490.51 and 18,600.12 is: 27,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.97 : 80,490.51 = 18,600.12 : x
  2. Step 2: Convert to fraction form
    53,660.97/80,490.51 = 18,600.12/x
  3. Step 3: Cross multiply
    53,660.97x = 80,490.51 × 18,600.12
  4. Step 4: Simplify right side
    53,660.97x = 1,497,133,144.86
  5. Step 5: Solve for x
    x = 1,497,133,144.86/53,660.97
  6. Step 6: Final answer
    x = 27,899.85

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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.