Home / 56,399.59-84,640.73-45,438.62

Finding the Fourth Proportional to 56,399.59, 84,640.73 and 45,438.62

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Solution

The fourth proportional to 56,399.59, 84,640.73 and 45,438.62 is: 68,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,399.59 : 84,640.73 = 45,438.62 : x
  2. Step 2: Convert to fraction form
    56,399.59/84,640.73 = 45,438.62/x
  3. Step 3: Cross multiply
    56,399.59x = 84,640.73 × 45,438.62
  4. Step 4: Simplify right side
    56,399.59x = 3,845,957,966.99
  5. Step 5: Solve for x
    x = 3,845,957,966.99/56,399.59
  6. Step 6: Final answer
    x = 68,191.24

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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.