Home / 51,725.60-71,379.42-31,616.18

Finding the Fourth Proportional to 51,725.60, 71,379.42 and 31,616.18

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Solution

The fourth proportional to 51,725.60, 71,379.42 and 31,616.18 is: 43,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,725.60 : 71,379.42 = 31,616.18 : x
  2. Step 2: Convert to fraction form
    51,725.60/71,379.42 = 31,616.18/x
  3. Step 3: Cross multiply
    51,725.60x = 71,379.42 × 31,616.18
  4. Step 4: Simplify right side
    51,725.60x = 2,256,744,591.02
  5. Step 5: Solve for x
    x = 2,256,744,591.02/51,725.60
  6. Step 6: Final answer
    x = 43,629.16

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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.