Home / 40,221.77-55,309.22-34,907.36

Finding the Fourth Proportional to 40,221.77, 55,309.22 and 34,907.36

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Solution

The fourth proportional to 40,221.77, 55,309.22 and 34,907.36 is: 48,001.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.77 : 55,309.22 = 34,907.36 : x
  2. Step 2: Convert to fraction form
    40,221.77/55,309.22 = 34,907.36/x
  3. Step 3: Cross multiply
    40,221.77x = 55,309.22 × 34,907.36
  4. Step 4: Simplify right side
    40,221.77x = 1,930,698,951.26
  5. Step 5: Solve for x
    x = 1,930,698,951.26/40,221.77
  6. Step 6: Final answer
    x = 48,001.34

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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.