Home / 39,161.85-54,018.72-23,235

Finding the Fourth Proportional to 39,161.85, 54,018.72 and 23,235

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Solution

The fourth proportional to 39,161.85, 54,018.72 and 23,235 is: 32,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.85 : 54,018.72 = 23,235 : x
  2. Step 2: Convert to fraction form
    39,161.85/54,018.72 = 23,235/x
  3. Step 3: Cross multiply
    39,161.85x = 54,018.72 × 23,235
  4. Step 4: Simplify right side
    39,161.85x = 1,255,124,959.20
  5. Step 5: Solve for x
    x = 1,255,124,959.20/39,161.85
  6. Step 6: Final answer
    x = 32,049.69

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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.