Home / 37,435.60-51,660.84-20,439.28

Finding the Fourth Proportional to 37,435.60, 51,660.84 and 20,439.28

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Solution

The fourth proportional to 37,435.60, 51,660.84 and 20,439.28 is: 28,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,435.60 : 51,660.84 = 20,439.28 : x
  2. Step 2: Convert to fraction form
    37,435.60/51,660.84 = 20,439.28/x
  3. Step 3: Cross multiply
    37,435.60x = 51,660.84 × 20,439.28
  4. Step 4: Simplify right side
    37,435.60x = 1,055,910,373.80
  5. Step 5: Solve for x
    x = 1,055,910,373.80/37,435.60
  6. Step 6: Final answer
    x = 28,206.05

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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.