Home / 31,206.39-46,808.56-12,481.40

Finding the Fourth Proportional to 31,206.39, 46,808.56 and 12,481.40

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Solution

The fourth proportional to 31,206.39, 46,808.56 and 12,481.40 is: 18,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.39 : 46,808.56 = 12,481.40 : x
  2. Step 2: Convert to fraction form
    31,206.39/46,808.56 = 12,481.40/x
  3. Step 3: Cross multiply
    31,206.39x = 46,808.56 × 12,481.40
  4. Step 4: Simplify right side
    31,206.39x = 584,236,227.92
  5. Step 5: Solve for x
    x = 584,236,227.92/31,206.39
  6. Step 6: Final answer
    x = 18,721.69

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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.