Home / 49,685.78-68,543.34-29,531.36

Finding the Fourth Proportional to 49,685.78, 68,543.34 and 29,531.36

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Solution

The fourth proportional to 49,685.78, 68,543.34 and 29,531.36 is: 40,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,685.78 : 68,543.34 = 29,531.36 : x
  2. Step 2: Convert to fraction form
    49,685.78/68,543.34 = 29,531.36/x
  3. Step 3: Cross multiply
    49,685.78x = 68,543.34 × 29,531.36
  4. Step 4: Simplify right side
    49,685.78x = 2,024,178,049.14
  5. Step 5: Solve for x
    x = 2,024,178,049.14/49,685.78
  6. Step 6: Final answer
    x = 40,739.58

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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.