Home / 40,113.24-55,356.70-22,208.52

Finding the Fourth Proportional to 40,113.24, 55,356.70 and 22,208.52

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Solution

The fourth proportional to 40,113.24, 55,356.70 and 22,208.52 is: 30,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,113.24 : 55,356.70 = 22,208.52 : x
  2. Step 2: Convert to fraction form
    40,113.24/55,356.70 = 22,208.52/x
  3. Step 3: Cross multiply
    40,113.24x = 55,356.70 × 22,208.52
  4. Step 4: Simplify right side
    40,113.24x = 1,229,390,379.08
  5. Step 5: Solve for x
    x = 1,229,390,379.08/40,113.24
  6. Step 6: Final answer
    x = 30,648.00

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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.