Home / 30,080.79-41,515.83-17,331.53

Finding the Fourth Proportional to 30,080.79, 41,515.83 and 17,331.53

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Solution

The fourth proportional to 30,080.79, 41,515.83 and 17,331.53 is: 23,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,080.79 : 41,515.83 = 17,331.53 : x
  2. Step 2: Convert to fraction form
    30,080.79/41,515.83 = 17,331.53/x
  3. Step 3: Cross multiply
    30,080.79x = 41,515.83 × 17,331.53
  4. Step 4: Simplify right side
    30,080.79x = 719,532,650.36
  5. Step 5: Solve for x
    x = 719,532,650.36/30,080.79
  6. Step 6: Final answer
    x = 23,920.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.