Home / 35,672.13-49,222.89-20,565.36

Finding the Fourth Proportional to 35,672.13, 49,222.89 and 20,565.36

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Solution

The fourth proportional to 35,672.13, 49,222.89 and 20,565.36 is: 28,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.13 : 49,222.89 = 20,565.36 : x
  2. Step 2: Convert to fraction form
    35,672.13/49,222.89 = 20,565.36/x
  3. Step 3: Cross multiply
    35,672.13x = 49,222.89 × 20,565.36
  4. Step 4: Simplify right side
    35,672.13x = 1,012,286,453.09
  5. Step 5: Solve for x
    x = 1,012,286,453.09/35,672.13
  6. Step 6: Final answer
    x = 28,377.52

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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.