Home / 39,925.25-55,097.10-22,020.74

Finding the Fourth Proportional to 39,925.25, 55,097.10 and 22,020.74

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Solution

The fourth proportional to 39,925.25, 55,097.10 and 22,020.74 is: 30,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,925.25 : 55,097.10 = 22,020.74 : x
  2. Step 2: Convert to fraction form
    39,925.25/55,097.10 = 22,020.74/x
  3. Step 3: Cross multiply
    39,925.25x = 55,097.10 × 22,020.74
  4. Step 4: Simplify right side
    39,925.25x = 1,213,278,638.37
  5. Step 5: Solve for x
    x = 1,213,278,638.37/39,925.25
  6. Step 6: Final answer
    x = 30,388.76

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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.