Home / 40,272.60-60,409.49-12,192.93

Finding the Fourth Proportional to 40,272.60, 60,409.49 and 12,192.93

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Solution

The fourth proportional to 40,272.60, 60,409.49 and 12,192.93 is: 18,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.60 : 60,409.49 = 12,192.93 : x
  2. Step 2: Convert to fraction form
    40,272.60/60,409.49 = 12,192.93/x
  3. Step 3: Cross multiply
    40,272.60x = 60,409.49 × 12,192.93
  4. Step 4: Simplify right side
    40,272.60x = 736,568,682.91
  5. Step 5: Solve for x
    x = 736,568,682.91/40,272.60
  6. Step 6: Final answer
    x = 18,289.57

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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.