Home / 49,886.28-68,825.02-38,404.70

Finding the Fourth Proportional to 49,886.28, 68,825.02 and 38,404.70

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Solution

The fourth proportional to 49,886.28, 68,825.02 and 38,404.70 is: 52,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,886.28 : 68,825.02 = 38,404.70 : x
  2. Step 2: Convert to fraction form
    49,886.28/68,825.02 = 38,404.70/x
  3. Step 3: Cross multiply
    49,886.28x = 68,825.02 × 38,404.70
  4. Step 4: Simplify right side
    49,886.28x = 2,643,203,997.48
  5. Step 5: Solve for x
    x = 2,643,203,997.48/49,886.28
  6. Step 6: Final answer
    x = 52,984.59

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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.