Home / 43,055.36-64,586.74-11,890.62

Finding the Fourth Proportional to 43,055.36, 64,586.74 and 11,890.62

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Solution

The fourth proportional to 43,055.36, 64,586.74 and 11,890.62 is: 17,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,055.36 : 64,586.74 = 11,890.62 : x
  2. Step 2: Convert to fraction form
    43,055.36/64,586.74 = 11,890.62/x
  3. Step 3: Cross multiply
    43,055.36x = 64,586.74 × 11,890.62
  4. Step 4: Simplify right side
    43,055.36x = 767,976,382.38
  5. Step 5: Solve for x
    x = 767,976,382.38/43,055.36
  6. Step 6: Final answer
    x = 17,836.95

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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.