Home / 31,869.68-43,980.44-17,723.12

Finding the Fourth Proportional to 31,869.68, 43,980.44 and 17,723.12

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Solution

The fourth proportional to 31,869.68, 43,980.44 and 17,723.12 is: 24,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,869.68 : 43,980.44 = 17,723.12 : x
  2. Step 2: Convert to fraction form
    31,869.68/43,980.44 = 17,723.12/x
  3. Step 3: Cross multiply
    31,869.68x = 43,980.44 × 17,723.12
  4. Step 4: Simplify right side
    31,869.68x = 779,470,615.77
  5. Step 5: Solve for x
    x = 779,470,615.77/31,869.68
  6. Step 6: Final answer
    x = 24,458.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.