Home / 43,946.11-65,864.34-21,438.24

Finding the Fourth Proportional to 43,946.11, 65,864.34 and 21,438.24

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Solution

The fourth proportional to 43,946.11, 65,864.34 and 21,438.24 is: 32,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,946.11 : 65,864.34 = 21,438.24 : x
  2. Step 2: Convert to fraction form
    43,946.11/65,864.34 = 21,438.24/x
  3. Step 3: Cross multiply
    43,946.11x = 65,864.34 × 21,438.24
  4. Step 4: Simplify right side
    43,946.11x = 1,412,015,528.36
  5. Step 5: Solve for x
    x = 1,412,015,528.36/43,946.11
  6. Step 6: Final answer
    x = 32,130.61

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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.