Home / 43,345.41-65,020.95-13,355.97

Finding the Fourth Proportional to 43,345.41, 65,020.95 and 13,355.97

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Solution

The fourth proportional to 43,345.41, 65,020.95 and 13,355.97 is: 20,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,345.41 : 65,020.95 = 13,355.97 : x
  2. Step 2: Convert to fraction form
    43,345.41/65,020.95 = 13,355.97/x
  3. Step 3: Cross multiply
    43,345.41x = 65,020.95 × 13,355.97
  4. Step 4: Simplify right side
    43,345.41x = 868,417,824.18
  5. Step 5: Solve for x
    x = 868,417,824.18/43,345.41
  6. Step 6: Final answer
    x = 20,034.83

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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.