Home / 39,811.35-54,926.58-22,817.55

Finding the Fourth Proportional to 39,811.35, 54,926.58 and 22,817.55

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Solution

The fourth proportional to 39,811.35, 54,926.58 and 22,817.55 is: 31,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.35 : 54,926.58 = 22,817.55 : x
  2. Step 2: Convert to fraction form
    39,811.35/54,926.58 = 22,817.55/x
  3. Step 3: Cross multiply
    39,811.35x = 54,926.58 × 22,817.55
  4. Step 4: Simplify right side
    39,811.35x = 1,253,289,985.48
  5. Step 5: Solve for x
    x = 1,253,289,985.48/39,811.35
  6. Step 6: Final answer
    x = 31,480.72

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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.