Home / 38,888.32-53,665.60-22,122.24

Finding the Fourth Proportional to 38,888.32, 53,665.60 and 22,122.24

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Solution

The fourth proportional to 38,888.32, 53,665.60 and 22,122.24 is: 30,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888.32 : 53,665.60 = 22,122.24 : x
  2. Step 2: Convert to fraction form
    38,888.32/53,665.60 = 22,122.24/x
  3. Step 3: Cross multiply
    38,888.32x = 53,665.60 × 22,122.24
  4. Step 4: Simplify right side
    38,888.32x = 1,187,203,282.94
  5. Step 5: Solve for x
    x = 1,187,203,282.94/38,888.32
  6. Step 6: Final answer
    x = 30,528.53

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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.