Home / 39,081.36-53,932.34-21,176.52

Finding the Fourth Proportional to 39,081.36, 53,932.34 and 21,176.52

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Solution

The fourth proportional to 39,081.36, 53,932.34 and 21,176.52 is: 29,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081.36 : 53,932.34 = 21,176.52 : x
  2. Step 2: Convert to fraction form
    39,081.36/53,932.34 = 21,176.52/x
  3. Step 3: Cross multiply
    39,081.36x = 53,932.34 × 21,176.52
  4. Step 4: Simplify right side
    39,081.36x = 1,142,099,276.66
  5. Step 5: Solve for x
    x = 1,142,099,276.66/39,081.36
  6. Step 6: Final answer
    x = 29,223.63

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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.