Home / 66,036.60-99,042.48-18,004.68

Finding the Fourth Proportional to 66,036.60, 99,042.48 and 18,004.68

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Solution

The fourth proportional to 66,036.60, 99,042.48 and 18,004.68 is: 27,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,036.60 : 99,042.48 = 18,004.68 : x
  2. Step 2: Convert to fraction form
    66,036.60/99,042.48 = 18,004.68/x
  3. Step 3: Cross multiply
    66,036.60x = 99,042.48 × 18,004.68
  4. Step 4: Simplify right side
    66,036.60x = 1,783,228,158.81
  5. Step 5: Solve for x
    x = 1,783,228,158.81/66,036.60
  6. Step 6: Final answer
    x = 27,003.63

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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.