Home / 66,636.09-91,960.28-36,423.44

Finding the Fourth Proportional to 66,636.09, 91,960.28 and 36,423.44

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Solution

The fourth proportional to 66,636.09, 91,960.28 and 36,423.44 is: 50,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,636.09 : 91,960.28 = 36,423.44 : x
  2. Step 2: Convert to fraction form
    66,636.09/91,960.28 = 36,423.44/x
  3. Step 3: Cross multiply
    66,636.09x = 91,960.28 × 36,423.44
  4. Step 4: Simplify right side
    66,636.09x = 3,349,509,740.96
  5. Step 5: Solve for x
    x = 3,349,509,740.96/66,636.09
  6. Step 6: Final answer
    x = 50,265.70

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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.