Home / 51,902.13-71,630.55-31,772.55

Finding the Fourth Proportional to 51,902.13, 71,630.55 and 31,772.55

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Solution

The fourth proportional to 51,902.13, 71,630.55 and 31,772.55 is: 43,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,902.13 : 71,630.55 = 31,772.55 : x
  2. Step 2: Convert to fraction form
    51,902.13/71,630.55 = 31,772.55/x
  3. Step 3: Cross multiply
    51,902.13x = 71,630.55 × 31,772.55
  4. Step 4: Simplify right side
    51,902.13x = 2,275,885,231.40
  5. Step 5: Solve for x
    x = 2,275,885,231.40/51,902.13
  6. Step 6: Final answer
    x = 43,849.55

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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.