Home / 30,799.91-42,503.87-17,371.14

Finding the Fourth Proportional to 30,799.91, 42,503.87 and 17,371.14

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Solution

The fourth proportional to 30,799.91, 42,503.87 and 17,371.14 is: 23,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.91 : 42,503.87 = 17,371.14 : x
  2. Step 2: Convert to fraction form
    30,799.91/42,503.87 = 17,371.14/x
  3. Step 3: Cross multiply
    30,799.91x = 42,503.87 × 17,371.14
  4. Step 4: Simplify right side
    30,799.91x = 738,340,495.21
  5. Step 5: Solve for x
    x = 738,340,495.21/30,799.91
  6. Step 6: Final answer
    x = 23,972.16

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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.