Home / 66,272.24-99,410.04-19,526.72

Finding the Fourth Proportional to 66,272.24, 99,410.04 and 19,526.72

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Solution

The fourth proportional to 66,272.24, 99,410.04 and 19,526.72 is: 29,290.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,272.24 : 99,410.04 = 19,526.72 : x
  2. Step 2: Convert to fraction form
    66,272.24/99,410.04 = 19,526.72/x
  3. Step 3: Cross multiply
    66,272.24x = 99,410.04 × 19,526.72
  4. Step 4: Simplify right side
    66,272.24x = 1,941,152,016.27
  5. Step 5: Solve for x
    x = 1,941,152,016.27/66,272.24
  6. Step 6: Final answer
    x = 29,290.58

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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.