Home / 43,876.48-65,760.11-21,368.76

Finding the Fourth Proportional to 43,876.48, 65,760.11 and 21,368.76

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Solution

The fourth proportional to 43,876.48, 65,760.11 and 21,368.76 is: 32,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,876.48 : 65,760.11 = 21,368.76 : x
  2. Step 2: Convert to fraction form
    43,876.48/65,760.11 = 21,368.76/x
  3. Step 3: Cross multiply
    43,876.48x = 65,760.11 × 21,368.76
  4. Step 4: Simplify right side
    43,876.48x = 1,405,212,008.16
  5. Step 5: Solve for x
    x = 1,405,212,008.16/43,876.48
  6. Step 6: Final answer
    x = 32,026.54

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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.