Home / 66,397.79-91,626.63-36,182.50

Finding the Fourth Proportional to 66,397.79, 91,626.63 and 36,182.50

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Solution

The fourth proportional to 66,397.79, 91,626.63 and 36,182.50 is: 49,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,397.79 : 91,626.63 = 36,182.50 : x
  2. Step 2: Convert to fraction form
    66,397.79/91,626.63 = 36,182.50/x
  3. Step 3: Cross multiply
    66,397.79x = 91,626.63 × 36,182.50
  4. Step 4: Simplify right side
    66,397.79x = 3,315,280,175.22
  5. Step 5: Solve for x
    x = 3,315,280,175.22/66,397.79
  6. Step 6: Final answer
    x = 49,930.58

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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.