Home / 29,105.40-43,679.70-11,587.80

Finding the Fourth Proportional to 29,105.40, 43,679.70 and 11,587.80

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Solution

The fourth proportional to 29,105.40, 43,679.70 and 11,587.80 is: 17,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.40 : 43,679.70 = 11,587.80 : x
  2. Step 2: Convert to fraction form
    29,105.40/43,679.70 = 11,587.80/x
  3. Step 3: Cross multiply
    29,105.40x = 43,679.70 × 11,587.80
  4. Step 4: Simplify right side
    29,105.40x = 506,151,627.66
  5. Step 5: Solve for x
    x = 506,151,627.66/29,105.40
  6. Step 6: Final answer
    x = 17,390.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.