Home / 51,899.40-71,626.56-31,769.70

Finding the Fourth Proportional to 51,899.40, 71,626.56 and 31,769.70

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Solution

The fourth proportional to 51,899.40, 71,626.56 and 31,769.70 is: 43,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,899.40 : 71,626.56 = 31,769.70 : x
  2. Step 2: Convert to fraction form
    51,899.40/71,626.56 = 31,769.70/x
  3. Step 3: Cross multiply
    51,899.40x = 71,626.56 × 31,769.70
  4. Step 4: Simplify right side
    51,899.40x = 2,275,554,323.23
  5. Step 5: Solve for x
    x = 2,275,554,323.23/51,899.40
  6. Step 6: Final answer
    x = 43,845.48

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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.