Home / 31,850.85-47,777.37-14,320.74

Finding the Fourth Proportional to 31,850.85, 47,777.37 and 14,320.74

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Solution

The fourth proportional to 31,850.85, 47,777.37 and 14,320.74 is: 21,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850.85 : 47,777.37 = 14,320.74 : x
  2. Step 2: Convert to fraction form
    31,850.85/47,777.37 = 14,320.74/x
  3. Step 3: Cross multiply
    31,850.85x = 47,777.37 × 14,320.74
  4. Step 4: Simplify right side
    31,850.85x = 684,207,293.65
  5. Step 5: Solve for x
    x = 684,207,293.65/31,850.85
  6. Step 6: Final answer
    x = 21,481.60

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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.