Home / 52,129.65-71,938.89-28,256.25

Finding the Fourth Proportional to 52,129.65, 71,938.89 and 28,256.25

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Solution

The fourth proportional to 52,129.65, 71,938.89 and 28,256.25 is: 38,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.65 : 71,938.89 = 28,256.25 : x
  2. Step 2: Convert to fraction form
    52,129.65/71,938.89 = 28,256.25/x
  3. Step 3: Cross multiply
    52,129.65x = 71,938.89 × 28,256.25
  4. Step 4: Simplify right side
    52,129.65x = 2,032,723,260.56
  5. Step 5: Solve for x
    x = 2,032,723,260.56/52,129.65
  6. Step 6: Final answer
    x = 38,993.61

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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.