Home / 30,387.87-45,568.44-13,747.23

Finding the Fourth Proportional to 30,387.87, 45,568.44 and 13,747.23

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Solution

The fourth proportional to 30,387.87, 45,568.44 and 13,747.23 is: 20,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387.87 : 45,568.44 = 13,747.23 : x
  2. Step 2: Convert to fraction form
    30,387.87/45,568.44 = 13,747.23/x
  3. Step 3: Cross multiply
    30,387.87x = 45,568.44 × 13,747.23
  4. Step 4: Simplify right side
    30,387.87x = 626,439,825.42
  5. Step 5: Solve for x
    x = 626,439,825.42/30,387.87
  6. Step 6: Final answer
    x = 20,614.80

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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.