Home / 30,736.29-42,420.12-17,310.17

Finding the Fourth Proportional to 30,736.29, 42,420.12 and 17,310.17

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Solution

The fourth proportional to 30,736.29, 42,420.12 and 17,310.17 is: 23,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,736.29 : 42,420.12 = 17,310.17 : x
  2. Step 2: Convert to fraction form
    30,736.29/42,420.12 = 17,310.17/x
  3. Step 3: Cross multiply
    30,736.29x = 42,420.12 × 17,310.17
  4. Step 4: Simplify right side
    30,736.29x = 734,299,189.97
  5. Step 5: Solve for x
    x = 734,299,189.97/30,736.29
  6. Step 6: Final answer
    x = 23,890.30

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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.