Home / 35,671.28-49,231.56-20,561.06

Finding the Fourth Proportional to 35,671.28, 49,231.56 and 20,561.06

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Solution

The fourth proportional to 35,671.28, 49,231.56 and 20,561.06 is: 28,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,671.28 : 49,231.56 = 20,561.06 : x
  2. Step 2: Convert to fraction form
    35,671.28/49,231.56 = 20,561.06/x
  3. Step 3: Cross multiply
    35,671.28x = 49,231.56 × 20,561.06
  4. Step 4: Simplify right side
    35,671.28x = 1,012,253,059.05
  5. Step 5: Solve for x
    x = 1,012,253,059.05/35,671.28
  6. Step 6: Final answer
    x = 28,377.26

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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.