Home / 38,106.20-52,588.22-21,338.84

Finding the Fourth Proportional to 38,106.20, 52,588.22 and 21,338.84

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Solution

The fourth proportional to 38,106.20, 52,588.22 and 21,338.84 is: 29,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,106.20 : 52,588.22 = 21,338.84 : x
  2. Step 2: Convert to fraction form
    38,106.20/52,588.22 = 21,338.84/x
  3. Step 3: Cross multiply
    38,106.20x = 52,588.22 × 21,338.84
  4. Step 4: Simplify right side
    38,106.20x = 1,122,171,612.46
  5. Step 5: Solve for x
    x = 1,122,171,612.46/38,106.20
  6. Step 6: Final answer
    x = 29,448.53

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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.