Home / 20,332.80-30,498.22-5,339.55

Finding the Fourth Proportional to 20,332.80, 30,498.22 and 5,339.55

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Solution

The fourth proportional to 20,332.80, 30,498.22 and 5,339.55 is: 8,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.80 : 30,498.22 = 5,339.55 : x
  2. Step 2: Convert to fraction form
    20,332.80/30,498.22 = 5,339.55/x
  3. Step 3: Cross multiply
    20,332.80x = 30,498.22 × 5,339.55
  4. Step 4: Simplify right side
    20,332.80x = 162,846,634.32
  5. Step 5: Solve for x
    x = 162,846,634.32/20,332.80
  6. Step 6: Final answer
    x = 8,009.06

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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.