Home / 30,750.60-42,439.83-17,324.46

Finding the Fourth Proportional to 30,750.60, 42,439.83 and 17,324.46

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Solution

The fourth proportional to 30,750.60, 42,439.83 and 17,324.46 is: 23,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750.60 : 42,439.83 = 17,324.46 : x
  2. Step 2: Convert to fraction form
    30,750.60/42,439.83 = 17,324.46/x
  3. Step 3: Cross multiply
    30,750.60x = 42,439.83 × 17,324.46
  4. Step 4: Simplify right side
    30,750.60x = 735,247,137.24
  5. Step 5: Solve for x
    x = 735,247,137.24/30,750.60
  6. Step 6: Final answer
    x = 23,910.01

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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.