Home / 66,403.72-99,571.02-31,333.96

Finding the Fourth Proportional to 66,403.72, 99,571.02 and 31,333.96

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Solution

The fourth proportional to 66,403.72, 99,571.02 and 31,333.96 is: 46,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,403.72 : 99,571.02 = 31,333.96 : x
  2. Step 2: Convert to fraction form
    66,403.72/99,571.02 = 31,333.96/x
  3. Step 3: Cross multiply
    66,403.72x = 99,571.02 × 31,333.96
  4. Step 4: Simplify right side
    66,403.72x = 3,119,954,357.84
  5. Step 5: Solve for x
    x = 3,119,954,357.84/66,403.72
  6. Step 6: Final answer
    x = 46,984.63

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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.