Home / 31,720.80-47,567.44-16,926.48

Finding the Fourth Proportional to 31,720.80, 47,567.44 and 16,926.48

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Solution

The fourth proportional to 31,720.80, 47,567.44 and 16,926.48 is: 25,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,720.80 : 47,567.44 = 16,926.48 : x
  2. Step 2: Convert to fraction form
    31,720.80/47,567.44 = 16,926.48/x
  3. Step 3: Cross multiply
    31,720.80x = 47,567.44 × 16,926.48
  4. Step 4: Simplify right side
    31,720.80x = 805,149,321.81
  5. Step 5: Solve for x
    x = 805,149,321.81/31,720.80
  6. Step 6: Final answer
    x = 25,382.38

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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.