Home / 40,778.20-61,203.30-24,117.40

Finding the Fourth Proportional to 40,778.20, 61,203.30 and 24,117.40

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Solution

The fourth proportional to 40,778.20, 61,203.30 and 24,117.40 is: 36,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.20 : 61,203.30 = 24,117.40 : x
  2. Step 2: Convert to fraction form
    40,778.20/61,203.30 = 24,117.40/x
  3. Step 3: Cross multiply
    40,778.20x = 61,203.30 × 24,117.40
  4. Step 4: Simplify right side
    40,778.20x = 1,476,064,467.42
  5. Step 5: Solve for x
    x = 1,476,064,467.42/40,778.20
  6. Step 6: Final answer
    x = 36,197.39

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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.