Home / 29,236.56-40,379.10-19,788.72

Finding the Fourth Proportional to 29,236.56, 40,379.10 and 19,788.72

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Solution

The fourth proportional to 29,236.56, 40,379.10 and 19,788.72 is: 27,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,236.56 : 40,379.10 = 19,788.72 : x
  2. Step 2: Convert to fraction form
    29,236.56/40,379.10 = 19,788.72/x
  3. Step 3: Cross multiply
    29,236.56x = 40,379.10 × 19,788.72
  4. Step 4: Simplify right side
    29,236.56x = 799,050,703.75
  5. Step 5: Solve for x
    x = 799,050,703.75/29,236.56
  6. Step 6: Final answer
    x = 27,330.53

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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.