Home / 31,481.93-47,211.54-10,418.08

Finding the Fourth Proportional to 31,481.93, 47,211.54 and 10,418.08

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Solution

The fourth proportional to 31,481.93, 47,211.54 and 10,418.08 is: 15,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.93 : 47,211.54 = 10,418.08 : x
  2. Step 2: Convert to fraction form
    31,481.93/47,211.54 = 10,418.08/x
  3. Step 3: Cross multiply
    31,481.93x = 47,211.54 × 10,418.08
  4. Step 4: Simplify right side
    31,481.93x = 491,853,364.59
  5. Step 5: Solve for x
    x = 491,853,364.59/31,481.93
  6. Step 6: Final answer
    x = 15,623.36

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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.