Home / 43,046.08-64,578.50-18,071.90

Finding the Fourth Proportional to 43,046.08, 64,578.50 and 18,071.90

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Solution

The fourth proportional to 43,046.08, 64,578.50 and 18,071.90 is: 27,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,046.08 : 64,578.50 = 18,071.90 : x
  2. Step 2: Convert to fraction form
    43,046.08/64,578.50 = 18,071.90/x
  3. Step 3: Cross multiply
    43,046.08x = 64,578.50 × 18,071.90
  4. Step 4: Simplify right side
    43,046.08x = 1,167,056,400.78
  5. Step 5: Solve for x
    x = 1,167,056,400.78/43,046.08
  6. Step 6: Final answer
    x = 27,111.79

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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.