Home / 29,100.79-43,627.62-9,099.99

Finding the Fourth Proportional to 29,100.79, 43,627.62 and 9,099.99

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Solution

The fourth proportional to 29,100.79, 43,627.62 and 9,099.99 is: 13,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,100.79 : 43,627.62 = 9,099.99 : x
  2. Step 2: Convert to fraction form
    29,100.79/43,627.62 = 9,099.99/x
  3. Step 3: Cross multiply
    29,100.79x = 43,627.62 × 9,099.99
  4. Step 4: Simplify right side
    29,100.79x = 397,010,905.72
  5. Step 5: Solve for x
    x = 397,010,905.72/29,100.79
  6. Step 6: Final answer
    x = 13,642.62

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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.