Home / 65,221.20-89,987.76-36,926.28

Finding the Fourth Proportional to 65,221.20, 89,987.76 and 36,926.28

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Solution

The fourth proportional to 65,221.20, 89,987.76 and 36,926.28 is: 50,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,221.20 : 89,987.76 = 36,926.28 : x
  2. Step 2: Convert to fraction form
    65,221.20/89,987.76 = 36,926.28/x
  3. Step 3: Cross multiply
    65,221.20x = 89,987.76 × 36,926.28
  4. Step 4: Simplify right side
    65,221.20x = 3,322,913,222.33
  5. Step 5: Solve for x
    x = 3,322,913,222.33/65,221.20
  6. Step 6: Final answer
    x = 50,948.36

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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.