Home / 20,125.52-30,176.52-6,081.36

Finding the Fourth Proportional to 20,125.52, 30,176.52 and 6,081.36

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Solution

The fourth proportional to 20,125.52, 30,176.52 and 6,081.36 is: 9,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.52 : 30,176.52 = 6,081.36 : x
  2. Step 2: Convert to fraction form
    20,125.52/30,176.52 = 6,081.36/x
  3. Step 3: Cross multiply
    20,125.52x = 30,176.52 × 6,081.36
  4. Step 4: Simplify right side
    20,125.52x = 183,514,281.67
  5. Step 5: Solve for x
    x = 183,514,281.67/20,125.52
  6. Step 6: Final answer
    x = 9,118.49

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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.