Home / 30,724.29-42,399.61-17,295.75

Finding the Fourth Proportional to 30,724.29, 42,399.61 and 17,295.75

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Solution

The fourth proportional to 30,724.29, 42,399.61 and 17,295.75 is: 23,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,724.29 : 42,399.61 = 17,295.75 : x
  2. Step 2: Convert to fraction form
    30,724.29/42,399.61 = 17,295.75/x
  3. Step 3: Cross multiply
    30,724.29x = 42,399.61 × 17,295.75
  4. Step 4: Simplify right side
    30,724.29x = 733,333,054.66
  5. Step 5: Solve for x
    x = 733,333,054.66/30,724.29
  6. Step 6: Final answer
    x = 23,868.19

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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.