Home / 40,261.63-60,394.55-12,180.98

Finding the Fourth Proportional to 40,261.63, 60,394.55 and 12,180.98

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Solution

The fourth proportional to 40,261.63, 60,394.55 and 12,180.98 is: 18,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,261.63 : 60,394.55 = 12,180.98 : x
  2. Step 2: Convert to fraction form
    40,261.63/60,394.55 = 12,180.98/x
  3. Step 3: Cross multiply
    40,261.63x = 60,394.55 × 12,180.98
  4. Step 4: Simplify right side
    40,261.63x = 735,664,805.66
  5. Step 5: Solve for x
    x = 735,664,805.66/40,261.63
  6. Step 6: Final answer
    x = 18,272.11

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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.