Home / 66,479.27-91,740.74-38,185.16

Finding the Fourth Proportional to 66,479.27, 91,740.74 and 38,185.16

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Solution

The fourth proportional to 66,479.27, 91,740.74 and 38,185.16 is: 52,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,479.27 : 91,740.74 = 38,185.16 : x
  2. Step 2: Convert to fraction form
    66,479.27/91,740.74 = 38,185.16/x
  3. Step 3: Cross multiply
    66,479.27x = 91,740.74 × 38,185.16
  4. Step 4: Simplify right side
    66,479.27x = 3,503,134,185.79
  5. Step 5: Solve for x
    x = 3,503,134,185.79/66,479.27
  6. Step 6: Final answer
    x = 52,695.14

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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.