Home / 31,212.48-46,823.34-11,489.60

Finding the Fourth Proportional to 31,212.48, 46,823.34 and 11,489.60

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Solution

The fourth proportional to 31,212.48, 46,823.34 and 11,489.60 is: 17,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.48 : 46,823.34 = 11,489.60 : x
  2. Step 2: Convert to fraction form
    31,212.48/46,823.34 = 11,489.60/x
  3. Step 3: Cross multiply
    31,212.48x = 46,823.34 × 11,489.60
  4. Step 4: Simplify right side
    31,212.48x = 537,981,447.26
  5. Step 5: Solve for x
    x = 537,981,447.26/31,212.48
  6. Step 6: Final answer
    x = 17,236.10

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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.