Home / 66,423.06-91,661.98-36,208.97

Finding the Fourth Proportional to 66,423.06, 91,661.98 and 36,208.97

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Solution

The fourth proportional to 66,423.06, 91,661.98 and 36,208.97 is: 49,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.06 : 91,661.98 = 36,208.97 : x
  2. Step 2: Convert to fraction form
    66,423.06/91,661.98 = 36,208.97/x
  3. Step 3: Cross multiply
    66,423.06x = 91,661.98 × 36,208.97
  4. Step 4: Simplify right side
    66,423.06x = 3,318,985,883.96
  5. Step 5: Solve for x
    x = 3,318,985,883.96/66,423.06
  6. Step 6: Final answer
    x = 49,967.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.