Home / 30,369.87-45,553.19-9,591.75

Finding the Fourth Proportional to 30,369.87, 45,553.19 and 9,591.75

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Solution

The fourth proportional to 30,369.87, 45,553.19 and 9,591.75 is: 14,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.87 : 45,553.19 = 9,591.75 : x
  2. Step 2: Convert to fraction form
    30,369.87/45,553.19 = 9,591.75/x
  3. Step 3: Cross multiply
    30,369.87x = 45,553.19 × 9,591.75
  4. Step 4: Simplify right side
    30,369.87x = 436,934,762.22
  5. Step 5: Solve for x
    x = 436,934,762.22/30,369.87
  6. Step 6: Final answer
    x = 14,387.11

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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.