Home / 37,615.68-51,909.30-20,620.89

Finding the Fourth Proportional to 37,615.68, 51,909.30 and 20,620.89

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Solution

The fourth proportional to 37,615.68, 51,909.30 and 20,620.89 is: 28,456.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,615.68 : 51,909.30 = 20,620.89 : x
  2. Step 2: Convert to fraction form
    37,615.68/51,909.30 = 20,620.89/x
  3. Step 3: Cross multiply
    37,615.68x = 51,909.30 × 20,620.89
  4. Step 4: Simplify right side
    37,615.68x = 1,070,415,965.28
  5. Step 5: Solve for x
    x = 1,070,415,965.28/37,615.68
  6. Step 6: Final answer
    x = 28,456.64

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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.