Home / 37,474.28-51,712.92-20,478.12

Finding the Fourth Proportional to 37,474.28, 51,712.92 and 20,478.12

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Solution

The fourth proportional to 37,474.28, 51,712.92 and 20,478.12 is: 28,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,474.28 : 51,712.92 = 20,478.12 : x
  2. Step 2: Convert to fraction form
    37,474.28/51,712.92 = 20,478.12/x
  3. Step 3: Cross multiply
    37,474.28x = 51,712.92 × 20,478.12
  4. Step 4: Simplify right side
    37,474.28x = 1,058,983,381.31
  5. Step 5: Solve for x
    x = 1,058,983,381.31/37,474.28
  6. Step 6: Final answer
    x = 28,258.94

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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.