Home / 53,930.35-74,424.18-31,282.75

Finding the Fourth Proportional to 53,930.35, 74,424.18 and 31,282.75

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Solution

The fourth proportional to 53,930.35, 74,424.18 and 31,282.75 is: 43,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,930.35 : 74,424.18 = 31,282.75 : x
  2. Step 2: Convert to fraction form
    53,930.35/74,424.18 = 31,282.75/x
  3. Step 3: Cross multiply
    53,930.35x = 74,424.18 × 31,282.75
  4. Step 4: Simplify right side
    53,930.35x = 2,328,193,016.90
  5. Step 5: Solve for x
    x = 2,328,193,016.90/53,930.35
  6. Step 6: Final answer
    x = 43,170.37

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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.