Home / 34,278.88-47,304.51-19,171.36

Finding the Fourth Proportional to 34,278.88, 47,304.51 and 19,171.36

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Solution

The fourth proportional to 34,278.88, 47,304.51 and 19,171.36 is: 26,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.88 : 47,304.51 = 19,171.36 : x
  2. Step 2: Convert to fraction form
    34,278.88/47,304.51 = 19,171.36/x
  3. Step 3: Cross multiply
    34,278.88x = 47,304.51 × 19,171.36
  4. Step 4: Simplify right side
    34,278.88x = 906,891,790.83
  5. Step 5: Solve for x
    x = 906,891,790.83/34,278.88
  6. Step 6: Final answer
    x = 26,456.28

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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.