Home / 66,364.02-99,560.43-19,620.66

Finding the Fourth Proportional to 66,364.02, 99,560.43 and 19,620.66

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Solution

The fourth proportional to 66,364.02, 99,560.43 and 19,620.66 is: 29,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,364.02 : 99,560.43 = 19,620.66 : x
  2. Step 2: Convert to fraction form
    66,364.02/99,560.43 = 19,620.66/x
  3. Step 3: Cross multiply
    66,364.02x = 99,560.43 × 19,620.66
  4. Step 4: Simplify right side
    66,364.02x = 1,953,441,346.48
  5. Step 5: Solve for x
    x = 1,953,441,346.48/66,364.02
  6. Step 6: Final answer
    x = 29,435.25

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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.