Home / 40,247.60-60,376.80-13,960.40

Finding the Fourth Proportional to 40,247.60, 60,376.80 and 13,960.40

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Solution

The fourth proportional to 40,247.60, 60,376.80 and 13,960.40 is: 20,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,247.60 : 60,376.80 = 13,960.40 : x
  2. Step 2: Convert to fraction form
    40,247.60/60,376.80 = 13,960.40/x
  3. Step 3: Cross multiply
    40,247.60x = 60,376.80 × 13,960.40
  4. Step 4: Simplify right side
    40,247.60x = 842,884,278.72
  5. Step 5: Solve for x
    x = 842,884,278.72/40,247.60
  6. Step 6: Final answer
    x = 20,942.47

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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.