Home / 31,228.08-46,841.88-12,747.12

Finding the Fourth Proportional to 31,228.08, 46,841.88 and 12,747.12

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Solution

The fourth proportional to 31,228.08, 46,841.88 and 12,747.12 is: 19,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,228.08 : 46,841.88 = 12,747.12 : x
  2. Step 2: Convert to fraction form
    31,228.08/46,841.88 = 12,747.12/x
  3. Step 3: Cross multiply
    31,228.08x = 46,841.88 × 12,747.12
  4. Step 4: Simplify right side
    31,228.08x = 597,099,065.39
  5. Step 5: Solve for x
    x = 597,099,065.39/31,228.08
  6. Step 6: Final answer
    x = 19,120.58

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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.