Home / 29,319.60-40,458.36-17,380.98

Finding the Fourth Proportional to 29,319.60, 40,458.36 and 17,380.98

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Solution

The fourth proportional to 29,319.60, 40,458.36 and 17,380.98 is: 23,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319.60 : 40,458.36 = 17,380.98 : x
  2. Step 2: Convert to fraction form
    29,319.60/40,458.36 = 17,380.98/x
  3. Step 3: Cross multiply
    29,319.60x = 40,458.36 × 17,380.98
  4. Step 4: Simplify right side
    29,319.60x = 703,205,945.99
  5. Step 5: Solve for x
    x = 703,205,945.99/29,319.60
  6. Step 6: Final answer
    x = 23,984.16

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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.