Home / 31,775.08-47,690.70-17,745.88

Finding the Fourth Proportional to 31,775.08, 47,690.70 and 17,745.88

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Solution

The fourth proportional to 31,775.08, 47,690.70 and 17,745.88 is: 26,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,775.08 : 47,690.70 = 17,745.88 : x
  2. Step 2: Convert to fraction form
    31,775.08/47,690.70 = 17,745.88/x
  3. Step 3: Cross multiply
    31,775.08x = 47,690.70 × 17,745.88
  4. Step 4: Simplify right side
    31,775.08x = 846,313,439.32
  5. Step 5: Solve for x
    x = 846,313,439.32/31,775.08
  6. Step 6: Final answer
    x = 26,634.50

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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.