Home / 66,215.64-99,323.43-19,468.50

Finding the Fourth Proportional to 66,215.64, 99,323.43 and 19,468.50

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Solution

The fourth proportional to 66,215.64, 99,323.43 and 19,468.50 is: 29,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,215.64 : 99,323.43 = 19,468.50 : x
  2. Step 2: Convert to fraction form
    66,215.64/99,323.43 = 19,468.50/x
  3. Step 3: Cross multiply
    66,215.64x = 99,323.43 × 19,468.50
  4. Step 4: Simplify right side
    66,215.64x = 1,933,678,196.96
  5. Step 5: Solve for x
    x = 1,933,678,196.96/66,215.64
  6. Step 6: Final answer
    x = 29,202.74

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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.