Home / 40,992.18-61,436.46-21,969.54

Finding the Fourth Proportional to 40,992.18, 61,436.46 and 21,969.54

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Solution

The fourth proportional to 40,992.18, 61,436.46 and 21,969.54 is: 32,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,992.18 : 61,436.46 = 21,969.54 : x
  2. Step 2: Convert to fraction form
    40,992.18/61,436.46 = 21,969.54/x
  3. Step 3: Cross multiply
    40,992.18x = 61,436.46 × 21,969.54
  4. Step 4: Simplify right side
    40,992.18x = 1,349,730,847.81
  5. Step 5: Solve for x
    x = 1,349,730,847.81/40,992.18
  6. Step 6: Final answer
    x = 32,926.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.