Home / 31,805.65-47,708.48-10,745.75

Finding the Fourth Proportional to 31,805.65, 47,708.48 and 10,745.75

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Solution

The fourth proportional to 31,805.65, 47,708.48 and 10,745.75 is: 16,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,805.65 : 47,708.48 = 10,745.75 : x
  2. Step 2: Convert to fraction form
    31,805.65/47,708.48 = 10,745.75/x
  3. Step 3: Cross multiply
    31,805.65x = 47,708.48 × 10,745.75
  4. Step 4: Simplify right side
    31,805.65x = 512,663,398.96
  5. Step 5: Solve for x
    x = 512,663,398.96/31,805.65
  6. Step 6: Final answer
    x = 16,118.63

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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.