Home / 40,111.64-55,353.40-22,206.26

Finding the Fourth Proportional to 40,111.64, 55,353.40 and 22,206.26

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Solution

The fourth proportional to 40,111.64, 55,353.40 and 22,206.26 is: 30,644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,111.64 : 55,353.40 = 22,206.26 : x
  2. Step 2: Convert to fraction form
    40,111.64/55,353.40 = 22,206.26/x
  3. Step 3: Cross multiply
    40,111.64x = 55,353.40 × 22,206.26
  4. Step 4: Simplify right side
    40,111.64x = 1,229,191,992.28
  5. Step 5: Solve for x
    x = 1,229,191,992.28/40,111.64
  6. Step 6: Final answer
    x = 30,644.27

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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.