Home / 54,408.08-75,084.50-30,536.58

Finding the Fourth Proportional to 54,408.08, 75,084.50 and 30,536.58

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Solution

The fourth proportional to 54,408.08, 75,084.50 and 30,536.58 is: 42,141.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,408.08 : 75,084.50 = 30,536.58 : x
  2. Step 2: Convert to fraction form
    54,408.08/75,084.50 = 30,536.58/x
  3. Step 3: Cross multiply
    54,408.08x = 75,084.50 × 30,536.58
  4. Step 4: Simplify right side
    54,408.08x = 2,292,823,841.01
  5. Step 5: Solve for x
    x = 2,292,823,841.01/54,408.08
  6. Step 6: Final answer
    x = 42,141.24

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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.