Home / 34,278.63-47,304.18-19,171.11

Finding the Fourth Proportional to 34,278.63, 47,304.18 and 19,171.11

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Solution

The fourth proportional to 34,278.63, 47,304.18 and 19,171.11 is: 26,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.63 : 47,304.18 = 19,171.11 : x
  2. Step 2: Convert to fraction form
    34,278.63/47,304.18 = 19,171.11/x
  3. Step 3: Cross multiply
    34,278.63x = 47,304.18 × 19,171.11
  4. Step 4: Simplify right side
    34,278.63x = 906,873,638.24
  5. Step 5: Solve for x
    x = 906,873,638.24/34,278.63
  6. Step 6: Final answer
    x = 26,455.95

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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.