Home / 31,715.06-43,767.30-17,374.64

Finding the Fourth Proportional to 31,715.06, 43,767.30 and 17,374.64

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Solution

The fourth proportional to 31,715.06, 43,767.30 and 17,374.64 is: 23,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.06 : 43,767.30 = 17,374.64 : x
  2. Step 2: Convert to fraction form
    31,715.06/43,767.30 = 17,374.64/x
  3. Step 3: Cross multiply
    31,715.06x = 43,767.30 × 17,374.64
  4. Step 4: Simplify right side
    31,715.06x = 760,441,081.27
  5. Step 5: Solve for x
    x = 760,441,081.27/31,715.06
  6. Step 6: Final answer
    x = 23,977.29

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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.