Home / 45,786.15-68,657.76-17,719.45

Finding the Fourth Proportional to 45,786.15, 68,657.76 and 17,719.45

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Solution

The fourth proportional to 45,786.15, 68,657.76 and 17,719.45 is: 26,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.15 : 68,657.76 = 17,719.45 : x
  2. Step 2: Convert to fraction form
    45,786.15/68,657.76 = 17,719.45/x
  3. Step 3: Cross multiply
    45,786.15x = 68,657.76 × 17,719.45
  4. Step 4: Simplify right side
    45,786.15x = 1,216,577,573.79
  5. Step 5: Solve for x
    x = 1,216,577,573.79/45,786.15
  6. Step 6: Final answer
    x = 26,570.86

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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.