Home / 20,326.06-30,449.63-14,979.52

Finding the Fourth Proportional to 20,326.06, 30,449.63 and 14,979.52

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Solution

The fourth proportional to 20,326.06, 30,449.63 and 14,979.52 is: 22,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.06 : 30,449.63 = 14,979.52 : x
  2. Step 2: Convert to fraction form
    20,326.06/30,449.63 = 14,979.52/x
  3. Step 3: Cross multiply
    20,326.06x = 30,449.63 × 14,979.52
  4. Step 4: Simplify right side
    20,326.06x = 456,120,960.60
  5. Step 5: Solve for x
    x = 456,120,960.60/20,326.06
  6. Step 6: Final answer
    x = 22,440.21

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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.