Home / 45,448.86-68,176.71-12,168.19

Finding the Fourth Proportional to 45,448.86, 68,176.71 and 12,168.19

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Solution

The fourth proportional to 45,448.86, 68,176.71 and 12,168.19 is: 18,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,448.86 : 68,176.71 = 12,168.19 : x
  2. Step 2: Convert to fraction form
    45,448.86/68,176.71 = 12,168.19/x
  3. Step 3: Cross multiply
    45,448.86x = 68,176.71 × 12,168.19
  4. Step 4: Simplify right side
    45,448.86x = 829,587,160.85
  5. Step 5: Solve for x
    x = 829,587,160.85/45,448.86
  6. Step 6: Final answer
    x = 18,253.20

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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.