Home / 40,745.88-61,071.52-15,429.30

Finding the Fourth Proportional to 40,745.88, 61,071.52 and 15,429.30

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Solution

The fourth proportional to 40,745.88, 61,071.52 and 15,429.30 is: 23,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,745.88 : 61,071.52 = 15,429.30 : x
  2. Step 2: Convert to fraction form
    40,745.88/61,071.52 = 15,429.30/x
  3. Step 3: Cross multiply
    40,745.88x = 61,071.52 × 15,429.30
  4. Step 4: Simplify right side
    40,745.88x = 942,290,498.18
  5. Step 5: Solve for x
    x = 942,290,498.18/40,745.88
  6. Step 6: Final answer
    x = 23,126.03

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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.