Home / 20,129.52-30,195.33-6,089.19

Finding the Fourth Proportional to 20,129.52, 30,195.33 and 6,089.19

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Solution

The fourth proportional to 20,129.52, 30,195.33 and 6,089.19 is: 9,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129.52 : 30,195.33 = 6,089.19 : x
  2. Step 2: Convert to fraction form
    20,129.52/30,195.33 = 6,089.19/x
  3. Step 3: Cross multiply
    20,129.52x = 30,195.33 × 6,089.19
  4. Step 4: Simplify right side
    20,129.52x = 183,864,950.51
  5. Step 5: Solve for x
    x = 183,864,950.51/20,129.52
  6. Step 6: Final answer
    x = 9,134.10

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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.