Home / 20,110-30,139.08-14,874.16

Finding the Fourth Proportional to 20,110, 30,139.08 and 14,874.16

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Solution

The fourth proportional to 20,110, 30,139.08 and 14,874.16 is: 22,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110 : 30,139.08 = 14,874.16 : x
  2. Step 2: Convert to fraction form
    20,110/30,139.08 = 14,874.16/x
  3. Step 3: Cross multiply
    20,110x = 30,139.08 × 14,874.16
  4. Step 4: Simplify right side
    20,110x = 448,293,498.17
  5. Step 5: Solve for x
    x = 448,293,498.17/20,110
  6. Step 6: Final answer
    x = 22,292.07

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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.