Home / 31,563.54-47,335.05-10,497.92

Finding the Fourth Proportional to 31,563.54, 47,335.05 and 10,497.92

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Solution

The fourth proportional to 31,563.54, 47,335.05 and 10,497.92 is: 15,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,563.54 : 47,335.05 = 10,497.92 : x
  2. Step 2: Convert to fraction form
    31,563.54/47,335.05 = 10,497.92/x
  3. Step 3: Cross multiply
    31,563.54x = 47,335.05 × 10,497.92
  4. Step 4: Simplify right side
    31,563.54x = 496,919,331.42
  5. Step 5: Solve for x
    x = 496,919,331.42/31,563.54
  6. Step 6: Final answer
    x = 15,743.46

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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.