Home / 30,445.27-45,672.26-9,387.09

Finding the Fourth Proportional to 30,445.27, 45,672.26 and 9,387.09

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Solution

The fourth proportional to 30,445.27, 45,672.26 and 9,387.09 is: 14,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,445.27 : 45,672.26 = 9,387.09 : x
  2. Step 2: Convert to fraction form
    30,445.27/45,672.26 = 9,387.09/x
  3. Step 3: Cross multiply
    30,445.27x = 45,672.26 × 9,387.09
  4. Step 4: Simplify right side
    30,445.27x = 428,729,568.19
  5. Step 5: Solve for x
    x = 428,729,568.19/30,445.27
  6. Step 6: Final answer
    x = 14,081.98

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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.