Home / 39,968.19-55,156.24-22,063.15

Finding the Fourth Proportional to 39,968.19, 55,156.24 and 22,063.15

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Solution

The fourth proportional to 39,968.19, 55,156.24 and 22,063.15 is: 30,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.19 : 55,156.24 = 22,063.15 : x
  2. Step 2: Convert to fraction form
    39,968.19/55,156.24 = 22,063.15/x
  3. Step 3: Cross multiply
    39,968.19x = 55,156.24 × 22,063.15
  4. Step 4: Simplify right side
    39,968.19x = 1,216,920,472.39
  5. Step 5: Solve for x
    x = 1,216,920,472.39/39,968.19
  6. Step 6: Final answer
    x = 30,447.22

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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.