Home / 40,788.40-61,141.26-27,642.10

Finding the Fourth Proportional to 40,788.40, 61,141.26 and 27,642.10

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Solution

The fourth proportional to 40,788.40, 61,141.26 and 27,642.10 is: 41,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788.40 : 61,141.26 = 27,642.10 : x
  2. Step 2: Convert to fraction form
    40,788.40/61,141.26 = 27,642.10/x
  3. Step 3: Cross multiply
    40,788.40x = 61,141.26 × 27,642.10
  4. Step 4: Simplify right side
    40,788.40x = 1,690,072,823.05
  5. Step 5: Solve for x
    x = 1,690,072,823.05/40,788.40
  6. Step 6: Final answer
    x = 41,435.13

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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.