Home / 66,219.89-91,380.48-37,539.14

Finding the Fourth Proportional to 66,219.89, 91,380.48 and 37,539.14

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Solution

The fourth proportional to 66,219.89, 91,380.48 and 37,539.14 is: 51,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,219.89 : 91,380.48 = 37,539.14 : x
  2. Step 2: Convert to fraction form
    66,219.89/91,380.48 = 37,539.14/x
  3. Step 3: Cross multiply
    66,219.89x = 91,380.48 × 37,539.14
  4. Step 4: Simplify right side
    66,219.89x = 3,430,344,175.08
  5. Step 5: Solve for x
    x = 3,430,344,175.08/66,219.89
  6. Step 6: Final answer
    x = 51,802.33

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1.5x scale

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.