Home / 53,147.39-73,409.22-38,588.34

Finding the Fourth Proportional to 53,147.39, 73,409.22 and 38,588.34

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Solution

The fourth proportional to 53,147.39, 73,409.22 and 38,588.34 is: 53,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,147.39 : 73,409.22 = 38,588.34 : x
  2. Step 2: Convert to fraction form
    53,147.39/73,409.22 = 38,588.34/x
  3. Step 3: Cross multiply
    53,147.39x = 73,409.22 × 38,588.34
  4. Step 4: Simplify right side
    53,147.39x = 2,832,740,215.78
  5. Step 5: Solve for x
    x = 2,832,740,215.78/53,147.39
  6. Step 6: Final answer
    x = 53,299.71

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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.