Home / 38,019.24-56,979.18-20,451.24

Finding the Fourth Proportional to 38,019.24, 56,979.18 and 20,451.24

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Solution

The fourth proportional to 38,019.24, 56,979.18 and 20,451.24 is: 30,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.24 : 56,979.18 = 20,451.24 : x
  2. Step 2: Convert to fraction form
    38,019.24/56,979.18 = 20,451.24/x
  3. Step 3: Cross multiply
    38,019.24x = 56,979.18 × 20,451.24
  4. Step 4: Simplify right side
    38,019.24x = 1,165,294,885.18
  5. Step 5: Solve for x
    x = 1,165,294,885.18/38,019.24
  6. Step 6: Final answer
    x = 30,650.14

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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.