Home / 34,687.60-47,871.38-19,581.55

Finding the Fourth Proportional to 34,687.60, 47,871.38 and 19,581.55

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Solution

The fourth proportional to 34,687.60, 47,871.38 and 19,581.55 is: 27,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,687.60 : 47,871.38 = 19,581.55 : x
  2. Step 2: Convert to fraction form
    34,687.60/47,871.38 = 19,581.55/x
  3. Step 3: Cross multiply
    34,687.60x = 47,871.38 × 19,581.55
  4. Step 4: Simplify right side
    34,687.60x = 937,395,750.31
  5. Step 5: Solve for x
    x = 937,395,750.31/34,687.60
  6. Step 6: Final answer
    x = 27,023.95

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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.