Home / 35,689.38-49,261.50-21,543.15

Finding the Fourth Proportional to 35,689.38, 49,261.50 and 21,543.15

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Solution

The fourth proportional to 35,689.38, 49,261.50 and 21,543.15 is: 29,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,689.38 : 49,261.50 = 21,543.15 : x
  2. Step 2: Convert to fraction form
    35,689.38/49,261.50 = 21,543.15/x
  3. Step 3: Cross multiply
    35,689.38x = 49,261.50 × 21,543.15
  4. Step 4: Simplify right side
    35,689.38x = 1,061,247,883.73
  5. Step 5: Solve for x
    x = 1,061,247,883.73/35,689.38
  6. Step 6: Final answer
    x = 29,735.68

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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.