Home / 49,077.28-73,615.11-12,141.28

Finding the Fourth Proportional to 49,077.28, 73,615.11 and 12,141.28

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Solution

The fourth proportional to 49,077.28, 73,615.11 and 12,141.28 is: 18,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,077.28 : 73,615.11 = 12,141.28 : x
  2. Step 2: Convert to fraction form
    49,077.28/73,615.11 = 12,141.28/x
  3. Step 3: Cross multiply
    49,077.28x = 73,615.11 × 12,141.28
  4. Step 4: Simplify right side
    49,077.28x = 893,781,662.74
  5. Step 5: Solve for x
    x = 893,781,662.74/49,077.28
  6. Step 6: Final answer
    x = 18,211.72

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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.