Home / 30,400.92-45,517.32-15,577.92

Finding the Fourth Proportional to 30,400.92, 45,517.32 and 15,577.92

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Solution

The fourth proportional to 30,400.92, 45,517.32 and 15,577.92 is: 23,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.92 : 45,517.32 = 15,577.92 : x
  2. Step 2: Convert to fraction form
    30,400.92/45,517.32 = 15,577.92/x
  3. Step 3: Cross multiply
    30,400.92x = 45,517.32 × 15,577.92
  4. Step 4: Simplify right side
    30,400.92x = 709,065,169.57
  5. Step 5: Solve for x
    x = 709,065,169.57/30,400.92
  6. Step 6: Final answer
    x = 23,323.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.