Home / 31,910.60-47,953.74-17,130.44

Finding the Fourth Proportional to 31,910.60, 47,953.74 and 17,130.44

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Solution

The fourth proportional to 31,910.60, 47,953.74 and 17,130.44 is: 25,742.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,910.60 : 47,953.74 = 17,130.44 : x
  2. Step 2: Convert to fraction form
    31,910.60/47,953.74 = 17,130.44/x
  3. Step 3: Cross multiply
    31,910.60x = 47,953.74 × 17,130.44
  4. Step 4: Simplify right side
    31,910.60x = 821,468,665.85
  5. Step 5: Solve for x
    x = 821,468,665.85/31,910.60
  6. Step 6: Final answer
    x = 25,742.81

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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.