Home / 37,434.60-51,658.98-20,439.36

Finding the Fourth Proportional to 37,434.60, 51,658.98 and 20,439.36

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Solution

The fourth proportional to 37,434.60, 51,658.98 and 20,439.36 is: 28,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,434.60 : 51,658.98 = 20,439.36 : x
  2. Step 2: Convert to fraction form
    37,434.60/51,658.98 = 20,439.36/x
  3. Step 3: Cross multiply
    37,434.60x = 51,658.98 × 20,439.36
  4. Step 4: Simplify right side
    37,434.60x = 1,055,876,489.45
  5. Step 5: Solve for x
    x = 1,055,876,489.45/37,434.60
  6. Step 6: Final answer
    x = 28,205.90

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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.