Home / 66,601.35-99,951.30-31,541.07

Finding the Fourth Proportional to 66,601.35, 99,951.30 and 31,541.07

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Solution

The fourth proportional to 66,601.35, 99,951.30 and 31,541.07 is: 47,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,601.35 : 99,951.30 = 31,541.07 : x
  2. Step 2: Convert to fraction form
    66,601.35/99,951.30 = 31,541.07/x
  3. Step 3: Cross multiply
    66,601.35x = 99,951.30 × 31,541.07
  4. Step 4: Simplify right side
    66,601.35x = 3,152,570,949.89
  5. Step 5: Solve for x
    x = 3,152,570,949.89/66,601.35
  6. Step 6: Final answer
    x = 47,334.94

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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.