Home / 52,986.78-73,117.52-30,320.57

Finding the Fourth Proportional to 52,986.78, 73,117.52 and 30,320.57

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Solution

The fourth proportional to 52,986.78, 73,117.52 and 30,320.57 is: 41,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,986.78 : 73,117.52 = 30,320.57 : x
  2. Step 2: Convert to fraction form
    52,986.78/73,117.52 = 30,320.57/x
  3. Step 3: Cross multiply
    52,986.78x = 73,117.52 × 30,320.57
  4. Step 4: Simplify right side
    52,986.78x = 2,216,965,028.28
  5. Step 5: Solve for x
    x = 2,216,965,028.28/52,986.78
  6. Step 6: Final answer
    x = 41,839.97

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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.