Home / 39,926.25-55,098.48-22,021.74

Finding the Fourth Proportional to 39,926.25, 55,098.48 and 22,021.74

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Solution

The fourth proportional to 39,926.25, 55,098.48 and 22,021.74 is: 30,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,926.25 : 55,098.48 = 22,021.74 : x
  2. Step 2: Convert to fraction form
    39,926.25/55,098.48 = 22,021.74/x
  3. Step 3: Cross multiply
    39,926.25x = 55,098.48 × 22,021.74
  4. Step 4: Simplify right side
    39,926.25x = 1,213,364,400.96
  5. Step 5: Solve for x
    x = 1,213,364,400.96/39,926.25
  6. Step 6: Final answer
    x = 30,390.14

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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.