Home / 31,314.35-46,976.70-15,520.12

Finding the Fourth Proportional to 31,314.35, 46,976.70 and 15,520.12

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Solution

The fourth proportional to 31,314.35, 46,976.70 and 15,520.12 is: 23,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.35 : 46,976.70 = 15,520.12 : x
  2. Step 2: Convert to fraction form
    31,314.35/46,976.70 = 15,520.12/x
  3. Step 3: Cross multiply
    31,314.35x = 46,976.70 × 15,520.12
  4. Step 4: Simplify right side
    31,314.35x = 729,084,021.20
  5. Step 5: Solve for x
    x = 729,084,021.20/31,314.35
  6. Step 6: Final answer
    x = 23,282.74

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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.