Home / 31,625.30-43,652.09-18,206.03

Finding the Fourth Proportional to 31,625.30, 43,652.09 and 18,206.03

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Solution

The fourth proportional to 31,625.30, 43,652.09 and 18,206.03 is: 25,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.30 : 43,652.09 = 18,206.03 : x
  2. Step 2: Convert to fraction form
    31,625.30/43,652.09 = 18,206.03/x
  3. Step 3: Cross multiply
    31,625.30x = 43,652.09 × 18,206.03
  4. Step 4: Simplify right side
    31,625.30x = 794,730,950.81
  5. Step 5: Solve for x
    x = 794,730,950.81/31,625.30
  6. Step 6: Final answer
    x = 25,129.60

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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.