Home / 54,303.35-74,942.82-30,432.24

Finding the Fourth Proportional to 54,303.35, 74,942.82 and 30,432.24

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Solution

The fourth proportional to 54,303.35, 74,942.82 and 30,432.24 is: 41,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303.35 : 74,942.82 = 30,432.24 : x
  2. Step 2: Convert to fraction form
    54,303.35/74,942.82 = 30,432.24/x
  3. Step 3: Cross multiply
    54,303.35x = 74,942.82 × 30,432.24
  4. Step 4: Simplify right side
    54,303.35x = 2,280,677,884.52
  5. Step 5: Solve for x
    x = 2,280,677,884.52/54,303.35
  6. Step 6: Final answer
    x = 41,998.85

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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.