Home / 38,525.76-53,166.42-22,621.68

Finding the Fourth Proportional to 38,525.76, 53,166.42 and 22,621.68

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Solution

The fourth proportional to 38,525.76, 53,166.42 and 22,621.68 is: 31,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525.76 : 53,166.42 = 22,621.68 : x
  2. Step 2: Convert to fraction form
    38,525.76/53,166.42 = 22,621.68/x
  3. Step 3: Cross multiply
    38,525.76x = 53,166.42 × 22,621.68
  4. Step 4: Simplify right side
    38,525.76x = 1,202,713,739.99
  5. Step 5: Solve for x
    x = 1,202,713,739.99/38,525.76
  6. Step 6: Final answer
    x = 31,218.43

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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.