Home / 30,359.28-45,544.41-13,727.15

Finding the Fourth Proportional to 30,359.28, 45,544.41 and 13,727.15

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Solution

The fourth proportional to 30,359.28, 45,544.41 and 13,727.15 is: 20,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359.28 : 45,544.41 = 13,727.15 : x
  2. Step 2: Convert to fraction form
    30,359.28/45,544.41 = 13,727.15/x
  3. Step 3: Cross multiply
    30,359.28x = 45,544.41 × 13,727.15
  4. Step 4: Simplify right side
    30,359.28x = 625,194,947.73
  5. Step 5: Solve for x
    x = 625,194,947.73/30,359.28
  6. Step 6: Final answer
    x = 20,593.21

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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.