Home / 40,364.83-60,540.09-12,278.08

Finding the Fourth Proportional to 40,364.83, 60,540.09 and 12,278.08

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Solution

The fourth proportional to 40,364.83, 60,540.09 and 12,278.08 is: 18,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,364.83 : 60,540.09 = 12,278.08 : x
  2. Step 2: Convert to fraction form
    40,364.83/60,540.09 = 12,278.08/x
  3. Step 3: Cross multiply
    40,364.83x = 60,540.09 × 12,278.08
  4. Step 4: Simplify right side
    40,364.83x = 743,316,068.23
  5. Step 5: Solve for x
    x = 743,316,068.23/40,364.83
  6. Step 6: Final answer
    x = 18,414.94

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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.