Home / 45,718.79-68,564.23-16,129.71

Finding the Fourth Proportional to 45,718.79, 68,564.23 and 16,129.71

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Solution

The fourth proportional to 45,718.79, 68,564.23 and 16,129.71 is: 24,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,718.79 : 68,564.23 = 16,129.71 : x
  2. Step 2: Convert to fraction form
    45,718.79/68,564.23 = 16,129.71/x
  3. Step 3: Cross multiply
    45,718.79x = 68,564.23 × 16,129.71
  4. Step 4: Simplify right side
    45,718.79x = 1,105,921,105.95
  5. Step 5: Solve for x
    x = 1,105,921,105.95/45,718.79
  6. Step 6: Final answer
    x = 24,189.64

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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.