Home / 40,013.10-55,222.36-23,018.09

Finding the Fourth Proportional to 40,013.10, 55,222.36 and 23,018.09

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Solution

The fourth proportional to 40,013.10, 55,222.36 and 23,018.09 is: 31,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,013.10 : 55,222.36 = 23,018.09 : x
  2. Step 2: Convert to fraction form
    40,013.10/55,222.36 = 23,018.09/x
  3. Step 3: Cross multiply
    40,013.10x = 55,222.36 × 23,018.09
  4. Step 4: Simplify right side
    40,013.10x = 1,271,112,918.84
  5. Step 5: Solve for x
    x = 1,271,112,918.84/40,013.10
  6. Step 6: Final answer
    x = 31,767.42

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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.