Home / 31,282.20-46,884.42-18,749.88

Finding the Fourth Proportional to 31,282.20, 46,884.42 and 18,749.88

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Solution

The fourth proportional to 31,282.20, 46,884.42 and 18,749.88 is: 28,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.20 : 46,884.42 = 18,749.88 : x
  2. Step 2: Convert to fraction form
    31,282.20/46,884.42 = 18,749.88/x
  3. Step 3: Cross multiply
    31,282.20x = 46,884.42 × 18,749.88
  4. Step 4: Simplify right side
    31,282.20x = 879,077,248.87
  5. Step 5: Solve for x
    x = 879,077,248.87/31,282.20
  6. Step 6: Final answer
    x = 28,101.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.