Home / 35,760.79-49,350.18-19,845.55

Finding the Fourth Proportional to 35,760.79, 49,350.18 and 19,845.55

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Solution

The fourth proportional to 35,760.79, 49,350.18 and 19,845.55 is: 27,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,760.79 : 49,350.18 = 19,845.55 : x
  2. Step 2: Convert to fraction form
    35,760.79/49,350.18 = 19,845.55/x
  3. Step 3: Cross multiply
    35,760.79x = 49,350.18 × 19,845.55
  4. Step 4: Simplify right side
    35,760.79x = 979,381,464.70
  5. Step 5: Solve for x
    x = 979,381,464.70/35,760.79
  6. Step 6: Final answer
    x = 27,387.02

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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.