Home / 37,657.13-51,967.32-20,660.29

Finding the Fourth Proportional to 37,657.13, 51,967.32 and 20,660.29

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Solution

The fourth proportional to 37,657.13, 51,967.32 and 20,660.29 is: 28,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,657.13 : 51,967.32 = 20,660.29 : x
  2. Step 2: Convert to fraction form
    37,657.13/51,967.32 = 20,660.29/x
  3. Step 3: Cross multiply
    37,657.13x = 51,967.32 × 20,660.29
  4. Step 4: Simplify right side
    37,657.13x = 1,073,659,694.33
  5. Step 5: Solve for x
    x = 1,073,659,694.33/37,657.13
  6. Step 6: Final answer
    x = 28,511.46

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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.