Home / 31,740.45-47,617.96-16,963.62

Finding the Fourth Proportional to 31,740.45, 47,617.96 and 16,963.62

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Solution

The fourth proportional to 31,740.45, 47,617.96 and 16,963.62 is: 25,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,740.45 : 47,617.96 = 16,963.62 : x
  2. Step 2: Convert to fraction form
    31,740.45/47,617.96 = 16,963.62/x
  3. Step 3: Cross multiply
    31,740.45x = 47,617.96 × 16,963.62
  4. Step 4: Simplify right side
    31,740.45x = 807,772,978.62
  5. Step 5: Solve for x
    x = 807,772,978.62/31,740.45
  6. Step 6: Final answer
    x = 25,449.32

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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.