Home / 43,164.30-64,746.60-11,999.52

Finding the Fourth Proportional to 43,164.30, 64,746.60 and 11,999.52

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Solution

The fourth proportional to 43,164.30, 64,746.60 and 11,999.52 is: 17,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,164.30 : 64,746.60 = 11,999.52 : x
  2. Step 2: Convert to fraction form
    43,164.30/64,746.60 = 11,999.52/x
  3. Step 3: Cross multiply
    43,164.30x = 64,746.60 × 11,999.52
  4. Step 4: Simplify right side
    43,164.30x = 776,928,121.63
  5. Step 5: Solve for x
    x = 776,928,121.63/43,164.30
  6. Step 6: Final answer
    x = 17,999.32

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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.