Home / 54,337.23-81,518.13-19,276.92

Finding the Fourth Proportional to 54,337.23, 81,518.13 and 19,276.92

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Solution

The fourth proportional to 54,337.23, 81,518.13 and 19,276.92 is: 28,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.23 : 81,518.13 = 19,276.92 : x
  2. Step 2: Convert to fraction form
    54,337.23/81,518.13 = 19,276.92/x
  3. Step 3: Cross multiply
    54,337.23x = 81,518.13 × 19,276.92
  4. Step 4: Simplify right side
    54,337.23x = 1,571,418,470.56
  5. Step 5: Solve for x
    x = 1,571,418,470.56/54,337.23
  6. Step 6: Final answer
    x = 28,919.74

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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.