Home / 43,390.68-65,081.61-29,440.35

Finding the Fourth Proportional to 43,390.68, 65,081.61 and 29,440.35

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Solution

The fourth proportional to 43,390.68, 65,081.61 and 29,440.35 is: 44,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,390.68 : 65,081.61 = 29,440.35 : x
  2. Step 2: Convert to fraction form
    43,390.68/65,081.61 = 29,440.35/x
  3. Step 3: Cross multiply
    43,390.68x = 65,081.61 × 29,440.35
  4. Step 4: Simplify right side
    43,390.68x = 1,916,025,376.96
  5. Step 5: Solve for x
    x = 1,916,025,376.96/43,390.68
  6. Step 6: Final answer
    x = 44,157.53

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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.