Home / 31,199.92-46,747.08-18,862

Finding the Fourth Proportional to 31,199.92, 46,747.08 and 18,862

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Solution

The fourth proportional to 31,199.92, 46,747.08 and 18,862 is: 28,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,199.92 : 46,747.08 = 18,862 : x
  2. Step 2: Convert to fraction form
    31,199.92/46,747.08 = 18,862/x
  3. Step 3: Cross multiply
    31,199.92x = 46,747.08 × 18,862
  4. Step 4: Simplify right side
    31,199.92x = 881,743,422.96
  5. Step 5: Solve for x
    x = 881,743,422.96/31,199.92
  6. Step 6: Final answer
    x = 28,261.08

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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.