Home / 31,499.76-47,250.96-11,776.32

Finding the Fourth Proportional to 31,499.76, 47,250.96 and 11,776.32

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Solution

The fourth proportional to 31,499.76, 47,250.96 and 11,776.32 is: 17,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,499.76 : 47,250.96 = 11,776.32 : x
  2. Step 2: Convert to fraction form
    31,499.76/47,250.96 = 11,776.32/x
  3. Step 3: Cross multiply
    31,499.76x = 47,250.96 × 11,776.32
  4. Step 4: Simplify right side
    31,499.76x = 556,442,425.27
  5. Step 5: Solve for x
    x = 556,442,425.27/31,499.76
  6. Step 6: Final answer
    x = 17,664.97

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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.