Home / 39,909.56-55,072.98-22,001.49

Finding the Fourth Proportional to 39,909.56, 55,072.98 and 22,001.49

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Solution

The fourth proportional to 39,909.56, 55,072.98 and 22,001.49 is: 30,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.56 : 55,072.98 = 22,001.49 : x
  2. Step 2: Convert to fraction form
    39,909.56/55,072.98 = 22,001.49/x
  3. Step 3: Cross multiply
    39,909.56x = 55,072.98 × 22,001.49
  4. Step 4: Simplify right side
    39,909.56x = 1,211,687,618.74
  5. Step 5: Solve for x
    x = 1,211,687,618.74/39,909.56
  6. Step 6: Final answer
    x = 30,360.84

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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.