Home / 37,616.72-51,909.66-20,620.49

Finding the Fourth Proportional to 37,616.72, 51,909.66 and 20,620.49

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Solution

The fourth proportional to 37,616.72, 51,909.66 and 20,620.49 is: 28,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,616.72 : 51,909.66 = 20,620.49 : x
  2. Step 2: Convert to fraction form
    37,616.72/51,909.66 = 20,620.49/x
  3. Step 3: Cross multiply
    37,616.72x = 51,909.66 × 20,620.49
  4. Step 4: Simplify right side
    37,616.72x = 1,070,402,365.39
  5. Step 5: Solve for x
    x = 1,070,402,365.39/37,616.72
  6. Step 6: Final answer
    x = 28,455.50

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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.