Home / 30,452.85-45,684.20-9,387.96

Finding the Fourth Proportional to 30,452.85, 45,684.20 and 9,387.96

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Solution

The fourth proportional to 30,452.85, 45,684.20 and 9,387.96 is: 14,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,452.85 : 45,684.20 = 9,387.96 : x
  2. Step 2: Convert to fraction form
    30,452.85/45,684.20 = 9,387.96/x
  3. Step 3: Cross multiply
    30,452.85x = 45,684.20 × 9,387.96
  4. Step 4: Simplify right side
    30,452.85x = 428,881,309.63
  5. Step 5: Solve for x
    x = 428,881,309.63/30,452.85
  6. Step 6: Final answer
    x = 14,083.46

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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.