Home / 31,808.48-43,895.80-17,661.36

Finding the Fourth Proportional to 31,808.48, 43,895.80 and 17,661.36

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Solution

The fourth proportional to 31,808.48, 43,895.80 and 17,661.36 is: 24,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808.48 : 43,895.80 = 17,661.36 : x
  2. Step 2: Convert to fraction form
    31,808.48/43,895.80 = 17,661.36/x
  3. Step 3: Cross multiply
    31,808.48x = 43,895.80 × 17,661.36
  4. Step 4: Simplify right side
    31,808.48x = 775,259,526.29
  5. Step 5: Solve for x
    x = 775,259,526.29/31,808.48
  6. Step 6: Final answer
    x = 24,372.73

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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.