Home / 45,542.54-62,886.04-31,370.78

Finding the Fourth Proportional to 45,542.54, 62,886.04 and 31,370.78

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Solution

The fourth proportional to 45,542.54, 62,886.04 and 31,370.78 is: 43,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,542.54 : 62,886.04 = 31,370.78 : x
  2. Step 2: Convert to fraction form
    45,542.54/62,886.04 = 31,370.78/x
  3. Step 3: Cross multiply
    45,542.54x = 62,886.04 × 31,370.78
  4. Step 4: Simplify right side
    45,542.54x = 1,972,784,125.91
  5. Step 5: Solve for x
    x = 1,972,784,125.91/45,542.54
  6. Step 6: Final answer
    x = 43,317.39

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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.