Home / 31,530.18-43,511.99-17,383.53

Finding the Fourth Proportional to 31,530.18, 43,511.99 and 17,383.53

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Solution

The fourth proportional to 31,530.18, 43,511.99 and 17,383.53 is: 23,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530.18 : 43,511.99 = 17,383.53 : x
  2. Step 2: Convert to fraction form
    31,530.18/43,511.99 = 17,383.53/x
  3. Step 3: Cross multiply
    31,530.18x = 43,511.99 × 17,383.53
  4. Step 4: Simplify right side
    31,530.18x = 756,391,983.52
  5. Step 5: Solve for x
    x = 756,391,983.52/31,530.18
  6. Step 6: Final answer
    x = 23,989.46

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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.