Home / 38,202.14-52,716.50-21,206.72

Finding the Fourth Proportional to 38,202.14, 52,716.50 and 21,206.72

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Solution

The fourth proportional to 38,202.14, 52,716.50 and 21,206.72 is: 29,263.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,202.14 : 52,716.50 = 21,206.72 : x
  2. Step 2: Convert to fraction form
    38,202.14/52,716.50 = 21,206.72/x
  3. Step 3: Cross multiply
    38,202.14x = 52,716.50 × 21,206.72
  4. Step 4: Simplify right side
    38,202.14x = 1,117,944,054.88
  5. Step 5: Solve for x
    x = 1,117,944,054.88/38,202.14
  6. Step 6: Final answer
    x = 29,263.91

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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.