Home / 45,739.70-68,609.55-42,629.30

Finding the Fourth Proportional to 45,739.70, 68,609.55 and 42,629.30

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Solution

The fourth proportional to 45,739.70, 68,609.55 and 42,629.30 is: 63,943.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,739.70 : 68,609.55 = 42,629.30 : x
  2. Step 2: Convert to fraction form
    45,739.70/68,609.55 = 42,629.30/x
  3. Step 3: Cross multiply
    45,739.70x = 68,609.55 × 42,629.30
  4. Step 4: Simplify right side
    45,739.70x = 2,924,777,089.82
  5. Step 5: Solve for x
    x = 2,924,777,089.82/45,739.70
  6. Step 6: Final answer
    x = 63,943.95

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Similar ratio
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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.