Home / 35,291.60-52,781.88-20,462.12

Finding the Fourth Proportional to 35,291.60, 52,781.88 and 20,462.12

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Solution

The fourth proportional to 35,291.60, 52,781.88 and 20,462.12 is: 30,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,291.60 : 52,781.88 = 20,462.12 : x
  2. Step 2: Convert to fraction form
    35,291.60/52,781.88 = 20,462.12/x
  3. Step 3: Cross multiply
    35,291.60x = 52,781.88 × 20,462.12
  4. Step 4: Simplify right side
    35,291.60x = 1,080,029,162.39
  5. Step 5: Solve for x
    x = 1,080,029,162.39/35,291.60
  6. Step 6: Final answer
    x = 30,603.01

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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.