Home / 40,239.92-60,336.66-13,931.12

Finding the Fourth Proportional to 40,239.92, 60,336.66 and 13,931.12

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Solution

The fourth proportional to 40,239.92, 60,336.66 and 13,931.12 is: 20,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,239.92 : 60,336.66 = 13,931.12 : x
  2. Step 2: Convert to fraction form
    40,239.92/60,336.66 = 13,931.12/x
  3. Step 3: Cross multiply
    40,239.92x = 60,336.66 × 13,931.12
  4. Step 4: Simplify right side
    40,239.92x = 840,557,250.86
  5. Step 5: Solve for x
    x = 840,557,250.86/40,239.92
  6. Step 6: Final answer
    x = 20,888.64

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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.