Home / 40,028.76-55,239.15-22,124.08

Finding the Fourth Proportional to 40,028.76, 55,239.15 and 22,124.08

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Solution

The fourth proportional to 40,028.76, 55,239.15 and 22,124.08 is: 30,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,028.76 : 55,239.15 = 22,124.08 : x
  2. Step 2: Convert to fraction form
    40,028.76/55,239.15 = 22,124.08/x
  3. Step 3: Cross multiply
    40,028.76x = 55,239.15 × 22,124.08
  4. Step 4: Simplify right side
    40,028.76x = 1,222,115,235.63
  5. Step 5: Solve for x
    x = 1,222,115,235.63/40,028.76
  6. Step 6: Final answer
    x = 30,530.93

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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.