Home / 51,993.17-71,750.61-28,119.81

Finding the Fourth Proportional to 51,993.17, 71,750.61 and 28,119.81

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Solution

The fourth proportional to 51,993.17, 71,750.61 and 28,119.81 is: 38,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,993.17 : 71,750.61 = 28,119.81 : x
  2. Step 2: Convert to fraction form
    51,993.17/71,750.61 = 28,119.81/x
  3. Step 3: Cross multiply
    51,993.17x = 71,750.61 × 28,119.81
  4. Step 4: Simplify right side
    51,993.17x = 2,017,613,520.58
  5. Step 5: Solve for x
    x = 2,017,613,520.58/51,993.17
  6. Step 6: Final answer
    x = 38,805.36

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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.