Home / 40,211.78-60,275.57-13,548.56

Finding the Fourth Proportional to 40,211.78, 60,275.57 and 13,548.56

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Solution

The fourth proportional to 40,211.78, 60,275.57 and 13,548.56 is: 20,308.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,211.78 : 60,275.57 = 13,548.56 : x
  2. Step 2: Convert to fraction form
    40,211.78/60,275.57 = 13,548.56/x
  3. Step 3: Cross multiply
    40,211.78x = 60,275.57 × 13,548.56
  4. Step 4: Simplify right side
    40,211.78x = 816,646,807.56
  5. Step 5: Solve for x
    x = 816,646,807.56/40,211.78
  6. Step 6: Final answer
    x = 20,308.65

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1.5x scale

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.