Home / 37,660.32-51,969.48-20,664.18

Finding the Fourth Proportional to 37,660.32, 51,969.48 and 20,664.18

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Solution

The fourth proportional to 37,660.32, 51,969.48 and 20,664.18 is: 28,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,660.32 : 51,969.48 = 20,664.18 : x
  2. Step 2: Convert to fraction form
    37,660.32/51,969.48 = 20,664.18/x
  3. Step 3: Cross multiply
    37,660.32x = 51,969.48 × 20,664.18
  4. Step 4: Simplify right side
    37,660.32x = 1,073,906,689.23
  5. Step 5: Solve for x
    x = 1,073,906,689.23/37,660.32
  6. Step 6: Final answer
    x = 28,515.60

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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.