Home / 43,403.67-65,038.19-30,102.61

Finding the Fourth Proportional to 43,403.67, 65,038.19 and 30,102.61

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Solution

The fourth proportional to 43,403.67, 65,038.19 and 30,102.61 is: 45,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.67 : 65,038.19 = 30,102.61 : x
  2. Step 2: Convert to fraction form
    43,403.67/65,038.19 = 30,102.61/x
  3. Step 3: Cross multiply
    43,403.67x = 65,038.19 × 30,102.61
  4. Step 4: Simplify right side
    43,403.67x = 1,957,819,429.76
  5. Step 5: Solve for x
    x = 1,957,819,429.76/43,403.67
  6. Step 6: Final answer
    x = 45,107.23

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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.