Home / 38,640.50-53,324.43-22,507.39

Finding the Fourth Proportional to 38,640.50, 53,324.43 and 22,507.39

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Solution

The fourth proportional to 38,640.50, 53,324.43 and 22,507.39 is: 31,060.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640.50 : 53,324.43 = 22,507.39 : x
  2. Step 2: Convert to fraction form
    38,640.50/53,324.43 = 22,507.39/x
  3. Step 3: Cross multiply
    38,640.50x = 53,324.43 × 22,507.39
  4. Step 4: Simplify right side
    38,640.50x = 1,200,193,475.92
  5. Step 5: Solve for x
    x = 1,200,193,475.92/38,640.50
  6. Step 6: Final answer
    x = 31,060.51

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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.