Home / 35,278.11-48,675.17-19,964.91

Finding the Fourth Proportional to 35,278.11, 48,675.17 and 19,964.91

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Solution

The fourth proportional to 35,278.11, 48,675.17 and 19,964.91 is: 27,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,278.11 : 48,675.17 = 19,964.91 : x
  2. Step 2: Convert to fraction form
    35,278.11/48,675.17 = 19,964.91/x
  3. Step 3: Cross multiply
    35,278.11x = 48,675.17 × 19,964.91
  4. Step 4: Simplify right side
    35,278.11x = 971,795,388.28
  5. Step 5: Solve for x
    x = 971,795,388.28/35,278.11
  6. Step 6: Final answer
    x = 27,546.70

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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.