Home / 66,246.06-99,359.34-21,874.26

Finding the Fourth Proportional to 66,246.06, 99,359.34 and 21,874.26

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Solution

The fourth proportional to 66,246.06, 99,359.34 and 21,874.26 is: 32,808.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,246.06 : 99,359.34 = 21,874.26 : x
  2. Step 2: Convert to fraction form
    66,246.06/99,359.34 = 21,874.26/x
  3. Step 3: Cross multiply
    66,246.06x = 99,359.34 × 21,874.26
  4. Step 4: Simplify right side
    66,246.06x = 2,173,412,036.59
  5. Step 5: Solve for x
    x = 2,173,412,036.59/66,246.06
  6. Step 6: Final answer
    x = 32,808.17

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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.