Home / 33,062.87-45,630.92-20,489.51

Finding the Fourth Proportional to 33,062.87, 45,630.92 and 20,489.51

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Solution

The fourth proportional to 33,062.87, 45,630.92 and 20,489.51 is: 28,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,062.87 : 45,630.92 = 20,489.51 : x
  2. Step 2: Convert to fraction form
    33,062.87/45,630.92 = 20,489.51/x
  3. Step 3: Cross multiply
    33,062.87x = 45,630.92 × 20,489.51
  4. Step 4: Simplify right side
    33,062.87x = 934,955,014.72
  5. Step 5: Solve for x
    x = 934,955,014.72/33,062.87
  6. Step 6: Final answer
    x = 28,278.10

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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.