Home / 61,880.25-85,416.90-36,729.75

Finding the Fourth Proportional to 61,880.25, 85,416.90 and 36,729.75

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Solution

The fourth proportional to 61,880.25, 85,416.90 and 36,729.75 is: 50,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,880.25 : 85,416.90 = 36,729.75 : x
  2. Step 2: Convert to fraction form
    61,880.25/85,416.90 = 36,729.75/x
  3. Step 3: Cross multiply
    61,880.25x = 85,416.90 × 36,729.75
  4. Step 4: Simplify right side
    61,880.25x = 3,137,341,382.78
  5. Step 5: Solve for x
    x = 3,137,341,382.78/61,880.25
  6. Step 6: Final answer
    x = 50,700.21

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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.