Home / 29,147.76-40,219.20-17,209.44

Finding the Fourth Proportional to 29,147.76, 40,219.20 and 17,209.44

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Solution

The fourth proportional to 29,147.76, 40,219.20 and 17,209.44 is: 23,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.76 : 40,219.20 = 17,209.44 : x
  2. Step 2: Convert to fraction form
    29,147.76/40,219.20 = 17,209.44/x
  3. Step 3: Cross multiply
    29,147.76x = 40,219.20 × 17,209.44
  4. Step 4: Simplify right side
    29,147.76x = 692,149,909.25
  5. Step 5: Solve for x
    x = 692,149,909.25/29,147.76
  6. Step 6: Final answer
    x = 23,746.25

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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.