Home / 39,238.57-54,149.61-21,333.96

Finding the Fourth Proportional to 39,238.57, 54,149.61 and 21,333.96

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Solution

The fourth proportional to 39,238.57, 54,149.61 and 21,333.96 is: 29,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.57 : 54,149.61 = 21,333.96 : x
  2. Step 2: Convert to fraction form
    39,238.57/54,149.61 = 21,333.96/x
  3. Step 3: Cross multiply
    39,238.57x = 54,149.61 × 21,333.96
  4. Step 4: Simplify right side
    39,238.57x = 1,155,225,406.46
  5. Step 5: Solve for x
    x = 1,155,225,406.46/39,238.57
  6. Step 6: Final answer
    x = 29,441.07

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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.