Home / 30,960.22-42,732.76-17,539.38

Finding the Fourth Proportional to 30,960.22, 42,732.76 and 17,539.38

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Solution

The fourth proportional to 30,960.22, 42,732.76 and 17,539.38 is: 24,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.22 : 42,732.76 = 17,539.38 : x
  2. Step 2: Convert to fraction form
    30,960.22/42,732.76 = 17,539.38/x
  3. Step 3: Cross multiply
    30,960.22x = 42,732.76 × 17,539.38
  4. Step 4: Simplify right side
    30,960.22x = 749,506,135.22
  5. Step 5: Solve for x
    x = 749,506,135.22/30,960.22
  6. Step 6: Final answer
    x = 24,208.69

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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.