Home / 39,392.76-54,371.34-22,635.48

Finding the Fourth Proportional to 39,392.76, 54,371.34 and 22,635.48

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Solution

The fourth proportional to 39,392.76, 54,371.34 and 22,635.48 is: 31,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392.76 : 54,371.34 = 22,635.48 : x
  2. Step 2: Convert to fraction form
    39,392.76/54,371.34 = 22,635.48/x
  3. Step 3: Cross multiply
    39,392.76x = 54,371.34 × 22,635.48
  4. Step 4: Simplify right side
    39,392.76x = 1,230,721,379.14
  5. Step 5: Solve for x
    x = 1,230,721,379.14/39,392.76
  6. Step 6: Final answer
    x = 31,242.32

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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.