Home / 56,465.33-84,711.96-39,857.90

Finding the Fourth Proportional to 56,465.33, 84,711.96 and 39,857.90

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Solution

The fourth proportional to 56,465.33, 84,711.96 and 39,857.90 is: 59,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,465.33 : 84,711.96 = 39,857.90 : x
  2. Step 2: Convert to fraction form
    56,465.33/84,711.96 = 39,857.90/x
  3. Step 3: Cross multiply
    56,465.33x = 84,711.96 × 39,857.90
  4. Step 4: Simplify right side
    56,465.33x = 3,376,440,406.92
  5. Step 5: Solve for x
    x = 3,376,440,406.92/56,465.33
  6. Step 6: Final answer
    x = 59,796.71

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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.