Home / 20,127.10-30,223.05-14,619.10

Finding the Fourth Proportional to 20,127.10, 30,223.05 and 14,619.10

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Solution

The fourth proportional to 20,127.10, 30,223.05 and 14,619.10 is: 21,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127.10 : 30,223.05 = 14,619.10 : x
  2. Step 2: Convert to fraction form
    20,127.10/30,223.05 = 14,619.10/x
  3. Step 3: Cross multiply
    20,127.10x = 30,223.05 × 14,619.10
  4. Step 4: Simplify right side
    20,127.10x = 441,833,790.26
  5. Step 5: Solve for x
    x = 441,833,790.26/20,127.10
  6. Step 6: Final answer
    x = 21,952.18

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1.5x scale

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.