Home / 38,583.29-57,879.18-12,281.87

Finding the Fourth Proportional to 38,583.29, 57,879.18 and 12,281.87

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Solution

The fourth proportional to 38,583.29, 57,879.18 and 12,281.87 is: 18,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.29 : 57,879.18 = 12,281.87 : x
  2. Step 2: Convert to fraction form
    38,583.29/57,879.18 = 12,281.87/x
  3. Step 3: Cross multiply
    38,583.29x = 57,879.18 × 12,281.87
  4. Step 4: Simplify right side
    38,583.29x = 710,864,564.47
  5. Step 5: Solve for x
    x = 710,864,564.47/38,583.29
  6. Step 6: Final answer
    x = 18,424.16

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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.