Home / 40,871.42-61,307.27-11,288.60

Finding the Fourth Proportional to 40,871.42, 61,307.27 and 11,288.60

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Solution

The fourth proportional to 40,871.42, 61,307.27 and 11,288.60 is: 16,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,871.42 : 61,307.27 = 11,288.60 : x
  2. Step 2: Convert to fraction form
    40,871.42/61,307.27 = 11,288.60/x
  3. Step 3: Cross multiply
    40,871.42x = 61,307.27 × 11,288.60
  4. Step 4: Simplify right side
    40,871.42x = 692,073,248.12
  5. Step 5: Solve for x
    x = 692,073,248.12/40,871.42
  6. Step 6: Final answer
    x = 16,932.94

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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.