Home / 66,943.50-92,378.97-36,728.20

Finding the Fourth Proportional to 66,943.50, 92,378.97 and 36,728.20

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Solution

The fourth proportional to 66,943.50, 92,378.97 and 36,728.20 is: 50,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,943.50 : 92,378.97 = 36,728.20 : x
  2. Step 2: Convert to fraction form
    66,943.50/92,378.97 = 36,728.20/x
  3. Step 3: Cross multiply
    66,943.50x = 92,378.97 × 36,728.20
  4. Step 4: Simplify right side
    66,943.50x = 3,392,913,285.95
  5. Step 5: Solve for x
    x = 3,392,913,285.95/66,943.50
  6. Step 6: Final answer
    x = 50,683.24

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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.