Home / 39,389.76-54,367.20-22,632.48

Finding the Fourth Proportional to 39,389.76, 54,367.20 and 22,632.48

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Solution

The fourth proportional to 39,389.76, 54,367.20 and 22,632.48 is: 31,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389.76 : 54,367.20 = 22,632.48 : x
  2. Step 2: Convert to fraction form
    39,389.76/54,367.20 = 22,632.48/x
  3. Step 3: Cross multiply
    39,389.76x = 54,367.20 × 22,632.48
  4. Step 4: Simplify right side
    39,389.76x = 1,230,464,566.66
  5. Step 5: Solve for x
    x = 1,230,464,566.66/39,389.76
  6. Step 6: Final answer
    x = 31,238.18

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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.