Home / 49,397.28-68,168.79-28,177.80

Finding the Fourth Proportional to 49,397.28, 68,168.79 and 28,177.80

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Solution

The fourth proportional to 49,397.28, 68,168.79 and 28,177.80 is: 38,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,397.28 : 68,168.79 = 28,177.80 : x
  2. Step 2: Convert to fraction form
    49,397.28/68,168.79 = 28,177.80/x
  3. Step 3: Cross multiply
    49,397.28x = 68,168.79 × 28,177.80
  4. Step 4: Simplify right side
    49,397.28x = 1,920,846,530.86
  5. Step 5: Solve for x
    x = 1,920,846,530.86/49,397.28
  6. Step 6: Final answer
    x = 38,885.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.