Home / 67,153.74-92,670.20-36,939.05

Finding the Fourth Proportional to 67,153.74, 92,670.20 and 36,939.05

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Solution

The fourth proportional to 67,153.74, 92,670.20 and 36,939.05 is: 50,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,153.74 : 92,670.20 = 36,939.05 : x
  2. Step 2: Convert to fraction form
    67,153.74/92,670.20 = 36,939.05/x
  3. Step 3: Cross multiply
    67,153.74x = 92,670.20 × 36,939.05
  4. Step 4: Simplify right side
    67,153.74x = 3,423,149,011.98
  5. Step 5: Solve for x
    x = 3,423,149,011.98/67,153.74
  6. Step 6: Final answer
    x = 50,974.81

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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.