Home / 40,026.69-55,195.29-34,380

Finding the Fourth Proportional to 40,026.69, 55,195.29 and 34,380

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Solution

The fourth proportional to 40,026.69, 55,195.29 and 34,380 is: 47,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,026.69 : 55,195.29 = 34,380 : x
  2. Step 2: Convert to fraction form
    40,026.69/55,195.29 = 34,380/x
  3. Step 3: Cross multiply
    40,026.69x = 55,195.29 × 34,380
  4. Step 4: Simplify right side
    40,026.69x = 1,897,614,070.20
  5. Step 5: Solve for x
    x = 1,897,614,070.20/40,026.69
  6. Step 6: Final answer
    x = 47,408.72

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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.