Home / 38,196.20-52,709.96-21,199.45

Finding the Fourth Proportional to 38,196.20, 52,709.96 and 21,199.45

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Solution

The fourth proportional to 38,196.20, 52,709.96 and 21,199.45 is: 29,254.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,196.20 : 52,709.96 = 21,199.45 : x
  2. Step 2: Convert to fraction form
    38,196.20/52,709.96 = 21,199.45/x
  3. Step 3: Cross multiply
    38,196.20x = 52,709.96 × 21,199.45
  4. Step 4: Simplify right side
    38,196.20x = 1,117,421,897.97
  5. Step 5: Solve for x
    x = 1,117,421,897.97/38,196.20
  6. Step 6: Final answer
    x = 29,254.79

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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.