Home / 35,458.47-53,170.15-20,671.11

Finding the Fourth Proportional to 35,458.47, 53,170.15 and 20,671.11

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Solution

The fourth proportional to 35,458.47, 53,170.15 and 20,671.11 is: 30,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,458.47 : 53,170.15 = 20,671.11 : x
  2. Step 2: Convert to fraction form
    35,458.47/53,170.15 = 20,671.11/x
  3. Step 3: Cross multiply
    35,458.47x = 53,170.15 × 20,671.11
  4. Step 4: Simplify right side
    35,458.47x = 1,099,086,019.37
  5. Step 5: Solve for x
    x = 1,099,086,019.37/35,458.47
  6. Step 6: Final answer
    x = 30,996.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.