Home / 39,231.36-54,138.84-29,204.64

Finding the Fourth Proportional to 39,231.36, 54,138.84 and 29,204.64

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Solution

The fourth proportional to 39,231.36, 54,138.84 and 29,204.64 is: 40,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.36 : 54,138.84 = 29,204.64 : x
  2. Step 2: Convert to fraction form
    39,231.36/54,138.84 = 29,204.64/x
  3. Step 3: Cross multiply
    39,231.36x = 54,138.84 × 29,204.64
  4. Step 4: Simplify right side
    39,231.36x = 1,581,105,332.22
  5. Step 5: Solve for x
    x = 1,581,105,332.22/39,231.36
  6. Step 6: Final answer
    x = 40,302.08

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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.