Home / 45,708.72-68,551.20-19,399.92

Finding the Fourth Proportional to 45,708.72, 68,551.20 and 19,399.92

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Solution

The fourth proportional to 45,708.72, 68,551.20 and 19,399.92 is: 29,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,708.72 : 68,551.20 = 19,399.92 : x
  2. Step 2: Convert to fraction form
    45,708.72/68,551.20 = 19,399.92/x
  3. Step 3: Cross multiply
    45,708.72x = 68,551.20 × 19,399.92
  4. Step 4: Simplify right side
    45,708.72x = 1,329,887,795.90
  5. Step 5: Solve for x
    x = 1,329,887,795.90/45,708.72
  6. Step 6: Final answer
    x = 29,094.84

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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.