Home / 61,087.64-91,659-38,895.26

Finding the Fourth Proportional to 61,087.64, 91,659 and 38,895.26

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Solution

The fourth proportional to 61,087.64, 91,659 and 38,895.26 is: 58,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,087.64 : 91,659 = 38,895.26 : x
  2. Step 2: Convert to fraction form
    61,087.64/91,659 = 38,895.26/x
  3. Step 3: Cross multiply
    61,087.64x = 91,659 × 38,895.26
  4. Step 4: Simplify right side
    61,087.64x = 3,565,100,636.34
  5. Step 5: Solve for x
    x = 3,565,100,636.34/61,087.64
  6. Step 6: Final answer
    x = 58,360.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.