Home / 40,943.40-61,269.30-28,404.60

Finding the Fourth Proportional to 40,943.40, 61,269.30 and 28,404.60

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Solution

The fourth proportional to 40,943.40, 61,269.30 and 28,404.60 is: 42,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943.40 : 61,269.30 = 28,404.60 : x
  2. Step 2: Convert to fraction form
    40,943.40/61,269.30 = 28,404.60/x
  3. Step 3: Cross multiply
    40,943.40x = 61,269.30 × 28,404.60
  4. Step 4: Simplify right side
    40,943.40x = 1,740,329,958.78
  5. Step 5: Solve for x
    x = 1,740,329,958.78/40,943.40
  6. Step 6: Final answer
    x = 42,505.75

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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.