Home / 30,724.08-42,399.54-17,295.27

Finding the Fourth Proportional to 30,724.08, 42,399.54 and 17,295.27

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Solution

The fourth proportional to 30,724.08, 42,399.54 and 17,295.27 is: 23,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,724.08 : 42,399.54 = 17,295.27 : x
  2. Step 2: Convert to fraction form
    30,724.08/42,399.54 = 17,295.27/x
  3. Step 3: Cross multiply
    30,724.08x = 42,399.54 × 17,295.27
  4. Step 4: Simplify right side
    30,724.08x = 733,311,492.18
  5. Step 5: Solve for x
    x = 733,311,492.18/30,724.08
  6. Step 6: Final answer
    x = 23,867.65

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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.