Home / 40,729.24-61,055.99-15,785.56

Finding the Fourth Proportional to 40,729.24, 61,055.99 and 15,785.56

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Solution

The fourth proportional to 40,729.24, 61,055.99 and 15,785.56 is: 23,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,729.24 : 61,055.99 = 15,785.56 : x
  2. Step 2: Convert to fraction form
    40,729.24/61,055.99 = 15,785.56/x
  3. Step 3: Cross multiply
    40,729.24x = 61,055.99 × 15,785.56
  4. Step 4: Simplify right side
    40,729.24x = 963,802,993.50
  5. Step 5: Solve for x
    x = 963,802,993.50/40,729.24
  6. Step 6: Final answer
    x = 23,663.66

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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.