Home / 42,609.85-63,914.77-13,027.68

Finding the Fourth Proportional to 42,609.85, 63,914.77 and 13,027.68

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Solution

The fourth proportional to 42,609.85, 63,914.77 and 13,027.68 is: 19,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,609.85 : 63,914.77 = 13,027.68 : x
  2. Step 2: Convert to fraction form
    42,609.85/63,914.77 = 13,027.68/x
  3. Step 3: Cross multiply
    42,609.85x = 63,914.77 × 13,027.68
  4. Step 4: Simplify right side
    42,609.85x = 832,661,138.26
  5. Step 5: Solve for x
    x = 832,661,138.26/42,609.85
  6. Step 6: Final answer
    x = 19,541.52

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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.