Home / 43,442.61-59,919.89-39,869.12

Finding the Fourth Proportional to 43,442.61, 59,919.89 and 39,869.12

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Solution

The fourth proportional to 43,442.61, 59,919.89 and 39,869.12 is: 54,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,442.61 : 59,919.89 = 39,869.12 : x
  2. Step 2: Convert to fraction form
    43,442.61/59,919.89 = 39,869.12/x
  3. Step 3: Cross multiply
    43,442.61x = 59,919.89 × 39,869.12
  4. Step 4: Simplify right side
    43,442.61x = 2,388,952,785.85
  5. Step 5: Solve for x
    x = 2,388,952,785.85/43,442.61
  6. Step 6: Final answer
    x = 54,991.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.