Home / 31,327.76-46,991.64-15,741.68

Finding the Fourth Proportional to 31,327.76, 46,991.64 and 15,741.68

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Solution

The fourth proportional to 31,327.76, 46,991.64 and 15,741.68 is: 23,612.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.76 : 46,991.64 = 15,741.68 : x
  2. Step 2: Convert to fraction form
    31,327.76/46,991.64 = 15,741.68/x
  3. Step 3: Cross multiply
    31,327.76x = 46,991.64 × 15,741.68
  4. Step 4: Simplify right side
    31,327.76x = 739,727,359.56
  5. Step 5: Solve for x
    x = 739,727,359.56/31,327.76
  6. Step 6: Final answer
    x = 23,612.52

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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.