Home / 45,777.90-68,660.27-17,711.20

Finding the Fourth Proportional to 45,777.90, 68,660.27 and 17,711.20

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Solution

The fourth proportional to 45,777.90, 68,660.27 and 17,711.20 is: 26,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,777.90 : 68,660.27 = 17,711.20 : x
  2. Step 2: Convert to fraction form
    45,777.90/68,660.27 = 17,711.20/x
  3. Step 3: Cross multiply
    45,777.90x = 68,660.27 × 17,711.20
  4. Step 4: Simplify right side
    45,777.90x = 1,216,055,513.82
  5. Step 5: Solve for x
    x = 1,216,055,513.82/45,777.90
  6. Step 6: Final answer
    x = 26,564.25

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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.