Home / 29,173.60-43,738.80-19,790.20

Finding the Fourth Proportional to 29,173.60, 43,738.80 and 19,790.20

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Solution

The fourth proportional to 29,173.60, 43,738.80 and 19,790.20 is: 29,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,173.60 : 43,738.80 = 19,790.20 : x
  2. Step 2: Convert to fraction form
    29,173.60/43,738.80 = 19,790.20/x
  3. Step 3: Cross multiply
    29,173.60x = 43,738.80 × 19,790.20
  4. Step 4: Simplify right side
    29,173.60x = 865,599,599.76
  5. Step 5: Solve for x
    x = 865,599,599.76/29,173.60
  6. Step 6: Final answer
    x = 29,670.65

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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.