Home / 51,988.92-71,744.75-28,115.56

Finding the Fourth Proportional to 51,988.92, 71,744.75 and 28,115.56

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Solution

The fourth proportional to 51,988.92, 71,744.75 and 28,115.56 is: 38,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988.92 : 71,744.75 = 28,115.56 : x
  2. Step 2: Convert to fraction form
    51,988.92/71,744.75 = 28,115.56/x
  3. Step 3: Cross multiply
    51,988.92x = 71,744.75 × 28,115.56
  4. Step 4: Simplify right side
    51,988.92x = 2,017,143,823.31
  5. Step 5: Solve for x
    x = 2,017,143,823.31/51,988.92
  6. Step 6: Final answer
    x = 38,799.49

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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.