Home / 38,400.05-57,609.79-10,698.05

Finding the Fourth Proportional to 38,400.05, 57,609.79 and 10,698.05

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Solution

The fourth proportional to 38,400.05, 57,609.79 and 10,698.05 is: 16,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.05 : 57,609.79 = 10,698.05 : x
  2. Step 2: Convert to fraction form
    38,400.05/57,609.79 = 10,698.05/x
  3. Step 3: Cross multiply
    38,400.05x = 57,609.79 × 10,698.05
  4. Step 4: Simplify right side
    38,400.05x = 616,312,531.19
  5. Step 5: Solve for x
    x = 616,312,531.19/38,400.05
  6. Step 6: Final answer
    x = 16,049.78

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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.