Home / 40,013.17-55,215.33-22,107.98

Finding the Fourth Proportional to 40,013.17, 55,215.33 and 22,107.98

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Solution

The fourth proportional to 40,013.17, 55,215.33 and 22,107.98 is: 30,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,013.17 : 55,215.33 = 22,107.98 : x
  2. Step 2: Convert to fraction form
    40,013.17/55,215.33 = 22,107.98/x
  3. Step 3: Cross multiply
    40,013.17x = 55,215.33 × 22,107.98
  4. Step 4: Simplify right side
    40,013.17x = 1,220,699,411.33
  5. Step 5: Solve for x
    x = 1,220,699,411.33/40,013.17
  6. Step 6: Final answer
    x = 30,507.44

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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.