Home / 31,555.92-47,336.32-10,495.20

Finding the Fourth Proportional to 31,555.92, 47,336.32 and 10,495.20

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Solution

The fourth proportional to 31,555.92, 47,336.32 and 10,495.20 is: 15,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555.92 : 47,336.32 = 10,495.20 : x
  2. Step 2: Convert to fraction form
    31,555.92/47,336.32 = 10,495.20/x
  3. Step 3: Cross multiply
    31,555.92x = 47,336.32 × 10,495.20
  4. Step 4: Simplify right side
    31,555.92x = 496,804,145.66
  5. Step 5: Solve for x
    x = 496,804,145.66/31,555.92
  6. Step 6: Final answer
    x = 15,743.61

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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.