Home / 31,663.58-47,479.17-16,880.54

Finding the Fourth Proportional to 31,663.58, 47,479.17 and 16,880.54

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Solution

The fourth proportional to 31,663.58, 47,479.17 and 16,880.54 is: 25,312.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,663.58 : 47,479.17 = 16,880.54 : x
  2. Step 2: Convert to fraction form
    31,663.58/47,479.17 = 16,880.54/x
  3. Step 3: Cross multiply
    31,663.58x = 47,479.17 × 16,880.54
  4. Step 4: Simplify right side
    31,663.58x = 801,474,028.35
  5. Step 5: Solve for x
    x = 801,474,028.35/31,663.58
  6. Step 6: Final answer
    x = 25,312.17

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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.