Home / 31,715.30-43,767.64-17,374.92

Finding the Fourth Proportional to 31,715.30, 43,767.64 and 17,374.92

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Solution

The fourth proportional to 31,715.30, 43,767.64 and 17,374.92 is: 23,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.30 : 43,767.64 = 17,374.92 : x
  2. Step 2: Convert to fraction form
    31,715.30/43,767.64 = 17,374.92/x
  3. Step 3: Cross multiply
    31,715.30x = 43,767.64 × 17,374.92
  4. Step 4: Simplify right side
    31,715.30x = 760,459,243.59
  5. Step 5: Solve for x
    x = 760,459,243.59/31,715.30
  6. Step 6: Final answer
    x = 23,977.68

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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.