Home / 31,860.18-43,968-17,713.92

Finding the Fourth Proportional to 31,860.18, 43,968 and 17,713.92

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Solution

The fourth proportional to 31,860.18, 43,968 and 17,713.92 is: 24,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,860.18 : 43,968 = 17,713.92 : x
  2. Step 2: Convert to fraction form
    31,860.18/43,968 = 17,713.92/x
  3. Step 3: Cross multiply
    31,860.18x = 43,968 × 17,713.92
  4. Step 4: Simplify right side
    31,860.18x = 778,845,634.56
  5. Step 5: Solve for x
    x = 778,845,634.56/31,860.18
  6. Step 6: Final answer
    x = 24,445.74

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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.