Home / 50,875.29-76,315.92-17,138.49

Finding the Fourth Proportional to 50,875.29, 76,315.92 and 17,138.49

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Solution

The fourth proportional to 50,875.29, 76,315.92 and 17,138.49 is: 25,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,875.29 : 76,315.92 = 17,138.49 : x
  2. Step 2: Convert to fraction form
    50,875.29/76,315.92 = 17,138.49/x
  3. Step 3: Cross multiply
    50,875.29x = 76,315.92 × 17,138.49
  4. Step 4: Simplify right side
    50,875.29x = 1,307,939,269.26
  5. Step 5: Solve for x
    x = 1,307,939,269.26/50,875.29
  6. Step 6: Final answer
    x = 25,708.74

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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.