Home / 45,159.31-67,726.21-28,494.37

Finding the Fourth Proportional to 45,159.31, 67,726.21 and 28,494.37

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Solution

The fourth proportional to 45,159.31, 67,726.21 and 28,494.37 is: 42,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,159.31 : 67,726.21 = 28,494.37 : x
  2. Step 2: Convert to fraction form
    45,159.31/67,726.21 = 28,494.37/x
  3. Step 3: Cross multiply
    45,159.31x = 67,726.21 × 28,494.37
  4. Step 4: Simplify right side
    45,159.31x = 1,929,815,753.29
  5. Step 5: Solve for x
    x = 1,929,815,753.29/45,159.31
  6. Step 6: Final answer
    x = 42,733.51

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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.