Home / 34,278.95-47,304.81-19,171.55

Finding the Fourth Proportional to 34,278.95, 47,304.81 and 19,171.55

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Solution

The fourth proportional to 34,278.95, 47,304.81 and 19,171.55 is: 26,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.95 : 47,304.81 = 19,171.55 : x
  2. Step 2: Convert to fraction form
    34,278.95/47,304.81 = 19,171.55/x
  3. Step 3: Cross multiply
    34,278.95x = 47,304.81 × 19,171.55
  4. Step 4: Simplify right side
    34,278.95x = 906,906,293.63
  5. Step 5: Solve for x
    x = 906,906,293.63/34,278.95
  6. Step 6: Final answer
    x = 26,456.66

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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.