Home / 30,084.83-45,132.36-15,099.09

Finding the Fourth Proportional to 30,084.83, 45,132.36 and 15,099.09

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Solution

The fourth proportional to 30,084.83, 45,132.36 and 15,099.09 is: 22,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,084.83 : 45,132.36 = 15,099.09 : x
  2. Step 2: Convert to fraction form
    30,084.83/45,132.36 = 15,099.09/x
  3. Step 3: Cross multiply
    30,084.83x = 45,132.36 × 15,099.09
  4. Step 4: Simplify right side
    30,084.83x = 681,457,565.55
  5. Step 5: Solve for x
    x = 681,457,565.55/30,084.83
  6. Step 6: Final answer
    x = 22,651.21

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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.