Home / 31,624.22-43,643.13-18,197.53

Finding the Fourth Proportional to 31,624.22, 43,643.13 and 18,197.53

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Solution

The fourth proportional to 31,624.22, 43,643.13 and 18,197.53 is: 25,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.22 : 43,643.13 = 18,197.53 : x
  2. Step 2: Convert to fraction form
    31,624.22/43,643.13 = 18,197.53/x
  3. Step 3: Cross multiply
    31,624.22x = 43,643.13 × 18,197.53
  4. Step 4: Simplify right side
    31,624.22x = 794,197,167.47
  5. Step 5: Solve for x
    x = 794,197,167.47/31,624.22
  6. Step 6: Final answer
    x = 25,113.57

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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.