Home / 54,234.12-74,842.32-30,032.76

Finding the Fourth Proportional to 54,234.12, 74,842.32 and 30,032.76

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Solution

The fourth proportional to 54,234.12, 74,842.32 and 30,032.76 is: 41,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.12 : 74,842.32 = 30,032.76 : x
  2. Step 2: Convert to fraction form
    54,234.12/74,842.32 = 30,032.76/x
  3. Step 3: Cross multiply
    54,234.12x = 74,842.32 × 30,032.76
  4. Step 4: Simplify right side
    54,234.12x = 2,247,721,434.40
  5. Step 5: Solve for x
    x = 2,247,721,434.40/54,234.12
  6. Step 6: Final answer
    x = 41,444.78

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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.