Home / 40,319.26-60,479.04-12,239.56

Finding the Fourth Proportional to 40,319.26, 60,479.04 and 12,239.56

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Solution

The fourth proportional to 40,319.26, 60,479.04 and 12,239.56 is: 18,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.26 : 60,479.04 = 12,239.56 : x
  2. Step 2: Convert to fraction form
    40,319.26/60,479.04 = 12,239.56/x
  3. Step 3: Cross multiply
    40,319.26x = 60,479.04 × 12,239.56
  4. Step 4: Simplify right side
    40,319.26x = 740,236,838.82
  5. Step 5: Solve for x
    x = 740,236,838.82/40,319.26
  6. Step 6: Final answer
    x = 18,359.39

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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.