Home / 39,170.14-54,054.84-22,403.14

Finding the Fourth Proportional to 39,170.14, 54,054.84 and 22,403.14

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Solution

The fourth proportional to 39,170.14, 54,054.84 and 22,403.14 is: 30,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,170.14 : 54,054.84 = 22,403.14 : x
  2. Step 2: Convert to fraction form
    39,170.14/54,054.84 = 22,403.14/x
  3. Step 3: Cross multiply
    39,170.14x = 54,054.84 × 22,403.14
  4. Step 4: Simplify right side
    39,170.14x = 1,210,998,148.20
  5. Step 5: Solve for x
    x = 1,210,998,148.20/39,170.14
  6. Step 6: Final answer
    x = 30,916.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.