Home / 40,038.09-55,251.75-22,133.85

Finding the Fourth Proportional to 40,038.09, 55,251.75 and 22,133.85

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Solution

The fourth proportional to 40,038.09, 55,251.75 and 22,133.85 is: 30,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,038.09 : 55,251.75 = 22,133.85 : x
  2. Step 2: Convert to fraction form
    40,038.09/55,251.75 = 22,133.85/x
  3. Step 3: Cross multiply
    40,038.09x = 55,251.75 × 22,133.85
  4. Step 4: Simplify right side
    40,038.09x = 1,222,933,946.74
  5. Step 5: Solve for x
    x = 1,222,933,946.74/40,038.09
  6. Step 6: Final answer
    x = 30,544.26

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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.