Home / 54,378.78-75,042.84-31,733.34

Finding the Fourth Proportional to 54,378.78, 75,042.84 and 31,733.34

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Solution

The fourth proportional to 54,378.78, 75,042.84 and 31,733.34 is: 43,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,378.78 : 75,042.84 = 31,733.34 : x
  2. Step 2: Convert to fraction form
    54,378.78/75,042.84 = 31,733.34/x
  3. Step 3: Cross multiply
    54,378.78x = 75,042.84 × 31,733.34
  4. Step 4: Simplify right side
    54,378.78x = 2,381,359,956.29
  5. Step 5: Solve for x
    x = 2,381,359,956.29/54,378.78
  6. Step 6: Final answer
    x = 43,792.08

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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.