Home / 43,370.32-65,005.28-19,947.60

Finding the Fourth Proportional to 43,370.32, 65,005.28 and 19,947.60

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Solution

The fourth proportional to 43,370.32, 65,005.28 and 19,947.60 is: 29,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,370.32 : 65,005.28 = 19,947.60 : x
  2. Step 2: Convert to fraction form
    43,370.32/65,005.28 = 19,947.60/x
  3. Step 3: Cross multiply
    43,370.32x = 65,005.28 × 19,947.60
  4. Step 4: Simplify right side
    43,370.32x = 1,296,699,323.33
  5. Step 5: Solve for x
    x = 1,296,699,323.33/43,370.32
  6. Step 6: Final answer
    x = 29,898.31

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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.