Home / 37,434.75-51,660.12-20,439.39

Finding the Fourth Proportional to 37,434.75, 51,660.12 and 20,439.39

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Solution

The fourth proportional to 37,434.75, 51,660.12 and 20,439.39 is: 28,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,434.75 : 51,660.12 = 20,439.39 : x
  2. Step 2: Convert to fraction form
    37,434.75/51,660.12 = 20,439.39/x
  3. Step 3: Cross multiply
    37,434.75x = 51,660.12 × 20,439.39
  4. Step 4: Simplify right side
    37,434.75x = 1,055,901,340.13
  5. Step 5: Solve for x
    x = 1,055,901,340.13/37,434.75
  6. Step 6: Final answer
    x = 28,206.45

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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.