Home / 22,039.08-30,400.50-13,080.52

Finding the Fourth Proportional to 22,039.08, 30,400.50 and 13,080.52

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Solution

The fourth proportional to 22,039.08, 30,400.50 and 13,080.52 is: 18,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.08 : 30,400.50 = 13,080.52 : x
  2. Step 2: Convert to fraction form
    22,039.08/30,400.50 = 13,080.52/x
  3. Step 3: Cross multiply
    22,039.08x = 30,400.50 × 13,080.52
  4. Step 4: Simplify right side
    22,039.08x = 397,654,348.26
  5. Step 5: Solve for x
    x = 397,654,348.26/22,039.08
  6. Step 6: Final answer
    x = 18,043.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.