Home / 43,531.12-60,055.72-28,418.96

Finding the Fourth Proportional to 43,531.12, 60,055.72 and 28,418.96

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Solution

The fourth proportional to 43,531.12, 60,055.72 and 28,418.96 is: 39,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,531.12 : 60,055.72 = 28,418.96 : x
  2. Step 2: Convert to fraction form
    43,531.12/60,055.72 = 28,418.96/x
  3. Step 3: Cross multiply
    43,531.12x = 60,055.72 × 28,418.96
  4. Step 4: Simplify right side
    43,531.12x = 1,706,721,104.45
  5. Step 5: Solve for x
    x = 1,706,721,104.45/43,531.12
  6. Step 6: Final answer
    x = 39,206.92

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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.