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Finding the Fourth Proportional to 66,730.57, 92,084.24 and 36,509.87

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Solution

The fourth proportional to 66,730.57, 92,084.24 and 36,509.87 is: 50,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,730.57 : 92,084.24 = 36,509.87 : x
  2. Step 2: Convert to fraction form
    66,730.57/92,084.24 = 36,509.87/x
  3. Step 3: Cross multiply
    66,730.57x = 92,084.24 × 36,509.87
  4. Step 4: Simplify right side
    66,730.57x = 3,361,983,952.93
  5. Step 5: Solve for x
    x = 3,361,983,952.93/66,730.57
  6. Step 6: Final answer
    x = 50,381.47

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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.