Home / 30,449.46-45,683.42-13,805.03

Finding the Fourth Proportional to 30,449.46, 45,683.42 and 13,805.03

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Solution

The fourth proportional to 30,449.46, 45,683.42 and 13,805.03 is: 20,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,449.46 : 45,683.42 = 13,805.03 : x
  2. Step 2: Convert to fraction form
    30,449.46/45,683.42 = 13,805.03/x
  3. Step 3: Cross multiply
    30,449.46x = 45,683.42 × 13,805.03
  4. Step 4: Simplify right side
    30,449.46x = 630,660,849.47
  5. Step 5: Solve for x
    x = 630,660,849.47/30,449.46
  6. Step 6: Final answer
    x = 20,711.72

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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.