Home / 39,231.64-54,140.59-22,237.61

Finding the Fourth Proportional to 39,231.64, 54,140.59 and 22,237.61

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Solution

The fourth proportional to 39,231.64, 54,140.59 and 22,237.61 is: 30,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.64 : 54,140.59 = 22,237.61 : x
  2. Step 2: Convert to fraction form
    39,231.64/54,140.59 = 22,237.61/x
  3. Step 3: Cross multiply
    39,231.64x = 54,140.59 × 22,237.61
  4. Step 4: Simplify right side
    39,231.64x = 1,203,957,325.59
  5. Step 5: Solve for x
    x = 1,203,957,325.59/39,231.64
  6. Step 6: Final answer
    x = 30,688.43

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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.