Home / 39,202.24-54,099.18-21,297.10

Finding the Fourth Proportional to 39,202.24, 54,099.18 and 21,297.10

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Solution

The fourth proportional to 39,202.24, 54,099.18 and 21,297.10 is: 29,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.24 : 54,099.18 = 21,297.10 : x
  2. Step 2: Convert to fraction form
    39,202.24/54,099.18 = 21,297.10/x
  3. Step 3: Cross multiply
    39,202.24x = 54,099.18 × 21,297.10
  4. Step 4: Simplify right side
    39,202.24x = 1,152,155,646.38
  5. Step 5: Solve for x
    x = 1,152,155,646.38/39,202.24
  6. Step 6: Final answer
    x = 29,390.05

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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.