Home / 31,854.06-47,782.31-16,253.46

Finding the Fourth Proportional to 31,854.06, 47,782.31 and 16,253.46

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Solution

The fourth proportional to 31,854.06, 47,782.31 and 16,253.46 is: 24,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,854.06 : 47,782.31 = 16,253.46 : x
  2. Step 2: Convert to fraction form
    31,854.06/47,782.31 = 16,253.46/x
  3. Step 3: Cross multiply
    31,854.06x = 47,782.31 × 16,253.46
  4. Step 4: Simplify right side
    31,854.06x = 776,627,783.03
  5. Step 5: Solve for x
    x = 776,627,783.03/31,854.06
  6. Step 6: Final answer
    x = 24,380.81

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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.