Home / 61,036.56-91,399.32-29,790

Finding the Fourth Proportional to 61,036.56, 91,399.32 and 29,790

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Solution

The fourth proportional to 61,036.56, 91,399.32 and 29,790 is: 44,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,036.56 : 91,399.32 = 29,790 : x
  2. Step 2: Convert to fraction form
    61,036.56/91,399.32 = 29,790/x
  3. Step 3: Cross multiply
    61,036.56x = 91,399.32 × 29,790
  4. Step 4: Simplify right side
    61,036.56x = 2,722,785,742.80
  5. Step 5: Solve for x
    x = 2,722,785,742.80/61,036.56
  6. Step 6: Final answer
    x = 44,609.10

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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.