Home / 39,232.22-54,141.52-21,328.44

Finding the Fourth Proportional to 39,232.22, 54,141.52 and 21,328.44

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Solution

The fourth proportional to 39,232.22, 54,141.52 and 21,328.44 is: 29,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,232.22 : 54,141.52 = 21,328.44 : x
  2. Step 2: Convert to fraction form
    39,232.22/54,141.52 = 21,328.44/x
  3. Step 3: Cross multiply
    39,232.22x = 54,141.52 × 21,328.44
  4. Step 4: Simplify right side
    39,232.22x = 1,154,754,160.83
  5. Step 5: Solve for x
    x = 1,154,754,160.83/39,232.22
  6. Step 6: Final answer
    x = 29,433.82

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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.