Home / 40,523.86-60,790.64-12,440.23

Finding the Fourth Proportional to 40,523.86, 60,790.64 and 12,440.23

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Solution

The fourth proportional to 40,523.86, 60,790.64 and 12,440.23 is: 18,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,523.86 : 60,790.64 = 12,440.23 : x
  2. Step 2: Convert to fraction form
    40,523.86/60,790.64 = 12,440.23/x
  3. Step 3: Cross multiply
    40,523.86x = 60,790.64 × 12,440.23
  4. Step 4: Simplify right side
    40,523.86x = 756,249,329.27
  5. Step 5: Solve for x
    x = 756,249,329.27/40,523.86
  6. Step 6: Final answer
    x = 18,661.83

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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.