Home / 66,261.42-91,430.46-37,961.64

Finding the Fourth Proportional to 66,261.42, 91,430.46 and 37,961.64

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Solution

The fourth proportional to 66,261.42, 91,430.46 and 37,961.64 is: 52,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,261.42 : 91,430.46 = 37,961.64 : x
  2. Step 2: Convert to fraction form
    66,261.42/91,430.46 = 37,961.64/x
  3. Step 3: Cross multiply
    66,261.42x = 91,430.46 × 37,961.64
  4. Step 4: Simplify right side
    66,261.42x = 3,470,850,207.55
  5. Step 5: Solve for x
    x = 3,470,850,207.55/66,261.42
  6. Step 6: Final answer
    x = 52,381.16

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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.