Home / 43,129.14-64,693.71-11,964.39

Finding the Fourth Proportional to 43,129.14, 64,693.71 and 11,964.39

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Solution

The fourth proportional to 43,129.14, 64,693.71 and 11,964.39 is: 17,946.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,129.14 : 64,693.71 = 11,964.39 : x
  2. Step 2: Convert to fraction form
    43,129.14/64,693.71 = 11,964.39/x
  3. Step 3: Cross multiply
    43,129.14x = 64,693.71 × 11,964.39
  4. Step 4: Simplify right side
    43,129.14x = 774,020,776.99
  5. Step 5: Solve for x
    x = 774,020,776.99/43,129.14
  6. Step 6: Final answer
    x = 17,946.59

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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.