Home / 43,785.11-65,665.70-15,699.95

Finding the Fourth Proportional to 43,785.11, 65,665.70 and 15,699.95

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Solution

The fourth proportional to 43,785.11, 65,665.70 and 15,699.95 is: 23,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,785.11 : 65,665.70 = 15,699.95 : x
  2. Step 2: Convert to fraction form
    43,785.11/65,665.70 = 15,699.95/x
  3. Step 3: Cross multiply
    43,785.11x = 65,665.70 × 15,699.95
  4. Step 4: Simplify right side
    43,785.11x = 1,030,948,206.72
  5. Step 5: Solve for x
    x = 1,030,948,206.72/43,785.11
  6. Step 6: Final answer
    x = 23,545.63

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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.