Home / 61,639.11-85,061.75-33,344.80

Finding the Fourth Proportional to 61,639.11, 85,061.75 and 33,344.80

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Solution

The fourth proportional to 61,639.11, 85,061.75 and 33,344.80 is: 46,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,639.11 : 85,061.75 = 33,344.80 : x
  2. Step 2: Convert to fraction form
    61,639.11/85,061.75 = 33,344.80/x
  3. Step 3: Cross multiply
    61,639.11x = 85,061.75 × 33,344.80
  4. Step 4: Simplify right side
    61,639.11x = 2,836,366,662.02
  5. Step 5: Solve for x
    x = 2,836,366,662.02/61,639.11
  6. Step 6: Final answer
    x = 46,015.70

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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.