Home / 49,077.80-73,616.70-43,440.20

Finding the Fourth Proportional to 49,077.80, 73,616.70 and 43,440.20

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Solution

The fourth proportional to 49,077.80, 73,616.70 and 43,440.20 is: 65,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,077.80 : 73,616.70 = 43,440.20 : x
  2. Step 2: Convert to fraction form
    49,077.80/73,616.70 = 43,440.20/x
  3. Step 3: Cross multiply
    49,077.80x = 73,616.70 × 43,440.20
  4. Step 4: Simplify right side
    49,077.80x = 3,197,924,171.34
  5. Step 5: Solve for x
    x = 3,197,924,171.34/49,077.80
  6. Step 6: Final answer
    x = 65,160.30

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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.