Home / 30,382.27-45,589.40-15,591.18

Finding the Fourth Proportional to 30,382.27, 45,589.40 and 15,591.18

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Solution

The fourth proportional to 30,382.27, 45,589.40 and 15,591.18 is: 23,394.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.27 : 45,589.40 = 15,591.18 : x
  2. Step 2: Convert to fraction form
    30,382.27/45,589.40 = 15,591.18/x
  3. Step 3: Cross multiply
    30,382.27x = 45,589.40 × 15,591.18
  4. Step 4: Simplify right side
    30,382.27x = 710,792,816.94
  5. Step 5: Solve for x
    x = 710,792,816.94/30,382.27
  6. Step 6: Final answer
    x = 23,394.99

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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.