Home / 39,321.48-54,263.10-22,554.12

Finding the Fourth Proportional to 39,321.48, 54,263.10 and 22,554.12

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Solution

The fourth proportional to 39,321.48, 54,263.10 and 22,554.12 is: 31,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321.48 : 54,263.10 = 22,554.12 : x
  2. Step 2: Convert to fraction form
    39,321.48/54,263.10 = 22,554.12/x
  3. Step 3: Cross multiply
    39,321.48x = 54,263.10 × 22,554.12
  4. Step 4: Simplify right side
    39,321.48x = 1,223,856,468.97
  5. Step 5: Solve for x
    x = 1,223,856,468.97/39,321.48
  6. Step 6: Final answer
    x = 31,124.37

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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.