Home / 30,114.12-45,174.26-10,392.62

Finding the Fourth Proportional to 30,114.12, 45,174.26 and 10,392.62

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Solution

The fourth proportional to 30,114.12, 45,174.26 and 10,392.62 is: 15,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,114.12 : 45,174.26 = 10,392.62 : x
  2. Step 2: Convert to fraction form
    30,114.12/45,174.26 = 10,392.62/x
  3. Step 3: Cross multiply
    30,114.12x = 45,174.26 × 10,392.62
  4. Step 4: Simplify right side
    30,114.12x = 469,478,917.96
  5. Step 5: Solve for x
    x = 469,478,917.96/30,114.12
  6. Step 6: Final answer
    x = 15,589.99

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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.