Home / 30,154.88-45,236.64-9,380.48

Finding the Fourth Proportional to 30,154.88, 45,236.64 and 9,380.48

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Solution

The fourth proportional to 30,154.88, 45,236.64 and 9,380.48 is: 14,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.88 : 45,236.64 = 9,380.48 : x
  2. Step 2: Convert to fraction form
    30,154.88/45,236.64 = 9,380.48/x
  3. Step 3: Cross multiply
    30,154.88x = 45,236.64 × 9,380.48
  4. Step 4: Simplify right side
    30,154.88x = 424,341,396.79
  5. Step 5: Solve for x
    x = 424,341,396.79/30,154.88
  6. Step 6: Final answer
    x = 14,072.06

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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.