Home / 66,366.59-91,582.16-38,072.30

Finding the Fourth Proportional to 66,366.59, 91,582.16 and 38,072.30

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Solution

The fourth proportional to 66,366.59, 91,582.16 and 38,072.30 is: 52,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,366.59 : 91,582.16 = 38,072.30 : x
  2. Step 2: Convert to fraction form
    66,366.59/91,582.16 = 38,072.30/x
  3. Step 3: Cross multiply
    66,366.59x = 91,582.16 × 38,072.30
  4. Step 4: Simplify right side
    66,366.59x = 3,486,742,821.90
  5. Step 5: Solve for x
    x = 3,486,742,821.90/66,366.59
  6. Step 6: Final answer
    x = 52,537.63

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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.