Home / 45,656.38-68,390.22-26,878.55

Finding the Fourth Proportional to 45,656.38, 68,390.22 and 26,878.55

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Solution

The fourth proportional to 45,656.38, 68,390.22 and 26,878.55 is: 40,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,656.38 : 68,390.22 = 26,878.55 : x
  2. Step 2: Convert to fraction form
    45,656.38/68,390.22 = 26,878.55/x
  3. Step 3: Cross multiply
    45,656.38x = 68,390.22 × 26,878.55
  4. Step 4: Simplify right side
    45,656.38x = 1,838,230,118.76
  5. Step 5: Solve for x
    x = 1,838,230,118.76/45,656.38
  6. Step 6: Final answer
    x = 40,262.29

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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.