Home / 29,219.54-40,319.99-17,280.55

Finding the Fourth Proportional to 29,219.54, 40,319.99 and 17,280.55

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Solution

The fourth proportional to 29,219.54, 40,319.99 and 17,280.55 is: 23,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.54 : 40,319.99 = 17,280.55 : x
  2. Step 2: Convert to fraction form
    29,219.54/40,319.99 = 17,280.55/x
  3. Step 3: Cross multiply
    29,219.54x = 40,319.99 × 17,280.55
  4. Step 4: Simplify right side
    29,219.54x = 696,751,401.59
  5. Step 5: Solve for x
    x = 696,751,401.59/29,219.54
  6. Step 6: Final answer
    x = 23,845.39

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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.