Home / 66,652.86-91,983.40-36,440.22

Finding the Fourth Proportional to 66,652.86, 91,983.40 and 36,440.22

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Solution

The fourth proportional to 66,652.86, 91,983.40 and 36,440.22 is: 50,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,652.86 : 91,983.40 = 36,440.22 : x
  2. Step 2: Convert to fraction form
    66,652.86/91,983.40 = 36,440.22/x
  3. Step 3: Cross multiply
    66,652.86x = 91,983.40 × 36,440.22
  4. Step 4: Simplify right side
    66,652.86x = 3,351,895,332.35
  5. Step 5: Solve for x
    x = 3,351,895,332.35/66,652.86
  6. Step 6: Final answer
    x = 50,288.84

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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.