Home / 66,249.02-99,376.74-21,874.79

Finding the Fourth Proportional to 66,249.02, 99,376.74 and 21,874.79

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Solution

The fourth proportional to 66,249.02, 99,376.74 and 21,874.79 is: 32,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,249.02 : 99,376.74 = 21,874.79 : x
  2. Step 2: Convert to fraction form
    66,249.02/99,376.74 = 21,874.79/x
  3. Step 3: Cross multiply
    66,249.02x = 99,376.74 × 21,874.79
  4. Step 4: Simplify right side
    66,249.02x = 2,173,845,566.83
  5. Step 5: Solve for x
    x = 2,173,845,566.83/66,249.02
  6. Step 6: Final answer
    x = 32,813.25

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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.