Home / 35,331.46-48,754.58-20,220.65

Finding the Fourth Proportional to 35,331.46, 48,754.58 and 20,220.65

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Solution

The fourth proportional to 35,331.46, 48,754.58 and 20,220.65 is: 27,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,331.46 : 48,754.58 = 20,220.65 : x
  2. Step 2: Convert to fraction form
    35,331.46/48,754.58 = 20,220.65/x
  3. Step 3: Cross multiply
    35,331.46x = 48,754.58 × 20,220.65
  4. Step 4: Simplify right side
    35,331.46x = 985,849,410.28
  5. Step 5: Solve for x
    x = 985,849,410.28/35,331.46
  6. Step 6: Final answer
    x = 27,902.88

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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.