Home / 45,921.12-68,888.88-19,626

Finding the Fourth Proportional to 45,921.12, 68,888.88 and 19,626

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Solution

The fourth proportional to 45,921.12, 68,888.88 and 19,626 is: 29,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,921.12 : 68,888.88 = 19,626 : x
  2. Step 2: Convert to fraction form
    45,921.12/68,888.88 = 19,626/x
  3. Step 3: Cross multiply
    45,921.12x = 68,888.88 × 19,626
  4. Step 4: Simplify right side
    45,921.12x = 1,352,013,158.88
  5. Step 5: Solve for x
    x = 1,352,013,158.88/45,921.12
  6. Step 6: Final answer
    x = 29,442.08

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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.