Home / 40,456.23-55,828.43-22,550.85

Finding the Fourth Proportional to 40,456.23, 55,828.43 and 22,550.85

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Solution

The fourth proportional to 40,456.23, 55,828.43 and 22,550.85 is: 31,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.23 : 55,828.43 = 22,550.85 : x
  2. Step 2: Convert to fraction form
    40,456.23/55,828.43 = 22,550.85/x
  3. Step 3: Cross multiply
    40,456.23x = 55,828.43 × 22,550.85
  4. Step 4: Simplify right side
    40,456.23x = 1,258,978,271.52
  5. Step 5: Solve for x
    x = 1,258,978,271.52/40,456.23
  6. Step 6: Final answer
    x = 31,119.52

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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.