Home / 45,786.40-68,658.13-17,719.71

Finding the Fourth Proportional to 45,786.40, 68,658.13 and 17,719.71

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Solution

The fourth proportional to 45,786.40, 68,658.13 and 17,719.71 is: 26,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.40 : 68,658.13 = 17,719.71 : x
  2. Step 2: Convert to fraction form
    45,786.40/68,658.13 = 17,719.71/x
  3. Step 3: Cross multiply
    45,786.40x = 68,658.13 × 17,719.71
  4. Step 4: Simplify right side
    45,786.40x = 1,216,602,152.74
  5. Step 5: Solve for x
    x = 1,216,602,152.74/45,786.40
  6. Step 6: Final answer
    x = 26,571.26

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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.