Home / 66,325.72-99,499.38-19,583.32

Finding the Fourth Proportional to 66,325.72, 99,499.38 and 19,583.32

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Solution

The fourth proportional to 66,325.72, 99,499.38 and 19,583.32 is: 29,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,325.72 : 99,499.38 = 19,583.32 : x
  2. Step 2: Convert to fraction form
    66,325.72/99,499.38 = 19,583.32/x
  3. Step 3: Cross multiply
    66,325.72x = 99,499.38 × 19,583.32
  4. Step 4: Simplify right side
    66,325.72x = 1,948,528,198.34
  5. Step 5: Solve for x
    x = 1,948,528,198.34/66,325.72
  6. Step 6: Final answer
    x = 29,378.17

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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.