Home / 40,048.79-55,262.45-22,141.31

Finding the Fourth Proportional to 40,048.79, 55,262.45 and 22,141.31

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Solution

The fourth proportional to 40,048.79, 55,262.45 and 22,141.31 is: 30,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,048.79 : 55,262.45 = 22,141.31 : x
  2. Step 2: Convert to fraction form
    40,048.79/55,262.45 = 22,141.31/x
  3. Step 3: Cross multiply
    40,048.79x = 55,262.45 × 22,141.31
  4. Step 4: Simplify right side
    40,048.79x = 1,223,582,815.85
  5. Step 5: Solve for x
    x = 1,223,582,815.85/40,048.79
  6. Step 6: Final answer
    x = 30,552.31

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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.