Home / 30,844.18-42,564.75-17,419.85

Finding the Fourth Proportional to 30,844.18, 42,564.75 and 17,419.85

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Solution

The fourth proportional to 30,844.18, 42,564.75 and 17,419.85 is: 24,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,844.18 : 42,564.75 = 17,419.85 : x
  2. Step 2: Convert to fraction form
    30,844.18/42,564.75 = 17,419.85/x
  3. Step 3: Cross multiply
    30,844.18x = 42,564.75 × 17,419.85
  4. Step 4: Simplify right side
    30,844.18x = 741,471,560.29
  5. Step 5: Solve for x
    x = 741,471,560.29/30,844.18
  6. Step 6: Final answer
    x = 24,039.27

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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.