Home / 43,218.18-59,618.86-28,873.43

Finding the Fourth Proportional to 43,218.18, 59,618.86 and 28,873.43

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Solution

The fourth proportional to 43,218.18, 59,618.86 and 28,873.43 is: 39,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,218.18 : 59,618.86 = 28,873.43 : x
  2. Step 2: Convert to fraction form
    43,218.18/59,618.86 = 28,873.43/x
  3. Step 3: Cross multiply
    43,218.18x = 59,618.86 × 28,873.43
  4. Step 4: Simplify right side
    43,218.18x = 1,721,400,915.39
  5. Step 5: Solve for x
    x = 1,721,400,915.39/43,218.18
  6. Step 6: Final answer
    x = 39,830.48

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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.