Home / 34,730.88-47,928.56-18,815.73

Finding the Fourth Proportional to 34,730.88, 47,928.56 and 18,815.73

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Solution

The fourth proportional to 34,730.88, 47,928.56 and 18,815.73 is: 25,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,730.88 : 47,928.56 = 18,815.73 : x
  2. Step 2: Convert to fraction form
    34,730.88/47,928.56 = 18,815.73/x
  3. Step 3: Cross multiply
    34,730.88x = 47,928.56 × 18,815.73
  4. Step 4: Simplify right side
    34,730.88x = 901,810,750.17
  5. Step 5: Solve for x
    x = 901,810,750.17/34,730.88
  6. Step 6: Final answer
    x = 25,965.68

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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.