Home / 35,685.58-49,251.27-21,540.46

Finding the Fourth Proportional to 35,685.58, 49,251.27 and 21,540.46

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Solution

The fourth proportional to 35,685.58, 49,251.27 and 21,540.46 is: 29,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.58 : 49,251.27 = 21,540.46 : x
  2. Step 2: Convert to fraction form
    35,685.58/49,251.27 = 21,540.46/x
  3. Step 3: Cross multiply
    35,685.58x = 49,251.27 × 21,540.46
  4. Step 4: Simplify right side
    35,685.58x = 1,060,895,011.38
  5. Step 5: Solve for x
    x = 1,060,895,011.38/35,685.58
  6. Step 6: Final answer
    x = 29,728.96

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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.