Home / 51,993.04-71,750.39-28,119.70

Finding the Fourth Proportional to 51,993.04, 71,750.39 and 28,119.70

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Solution

The fourth proportional to 51,993.04, 71,750.39 and 28,119.70 is: 38,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,993.04 : 71,750.39 = 28,119.70 : x
  2. Step 2: Convert to fraction form
    51,993.04/71,750.39 = 28,119.70/x
  3. Step 3: Cross multiply
    51,993.04x = 71,750.39 × 28,119.70
  4. Step 4: Simplify right side
    51,993.04x = 2,017,599,441.68
  5. Step 5: Solve for x
    x = 2,017,599,441.68/51,993.04
  6. Step 6: Final answer
    x = 38,805.19

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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.