Home / 40,072.98-55,296.36-22,165.14

Finding the Fourth Proportional to 40,072.98, 55,296.36 and 22,165.14

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Solution

The fourth proportional to 40,072.98, 55,296.36 and 22,165.14 is: 30,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072.98 : 55,296.36 = 22,165.14 : x
  2. Step 2: Convert to fraction form
    40,072.98/55,296.36 = 22,165.14/x
  3. Step 3: Cross multiply
    40,072.98x = 55,296.36 × 22,165.14
  4. Step 4: Simplify right side
    40,072.98x = 1,225,651,560.89
  5. Step 5: Solve for x
    x = 1,225,651,560.89/40,072.98
  6. Step 6: Final answer
    x = 30,585.49

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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.