Home / 43,102.04-64,645.74-11,930

Finding the Fourth Proportional to 43,102.04, 64,645.74 and 11,930

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Solution

The fourth proportional to 43,102.04, 64,645.74 and 11,930 is: 17,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,102.04 : 64,645.74 = 11,930 : x
  2. Step 2: Convert to fraction form
    43,102.04/64,645.74 = 11,930/x
  3. Step 3: Cross multiply
    43,102.04x = 64,645.74 × 11,930
  4. Step 4: Simplify right side
    43,102.04x = 771,223,678.20
  5. Step 5: Solve for x
    x = 771,223,678.20/43,102.04
  6. Step 6: Final answer
    x = 17,892.97

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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.