Home / 39,925.85-55,097.82-22,020.59

Finding the Fourth Proportional to 39,925.85, 55,097.82 and 22,020.59

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Solution

The fourth proportional to 39,925.85, 55,097.82 and 22,020.59 is: 30,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,925.85 : 55,097.82 = 22,020.59 : x
  2. Step 2: Convert to fraction form
    39,925.85/55,097.82 = 22,020.59/x
  3. Step 3: Cross multiply
    39,925.85x = 55,097.82 × 22,020.59
  4. Step 4: Simplify right side
    39,925.85x = 1,213,286,641.86
  5. Step 5: Solve for x
    x = 1,213,286,641.86/39,925.85
  6. Step 6: Final answer
    x = 30,388.50

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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.