Home / 43,851.57-65,787.08-20,465.25

Finding the Fourth Proportional to 43,851.57, 65,787.08 and 20,465.25

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Solution

The fourth proportional to 43,851.57, 65,787.08 and 20,465.25 is: 30,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,851.57 : 65,787.08 = 20,465.25 : x
  2. Step 2: Convert to fraction form
    43,851.57/65,787.08 = 20,465.25/x
  3. Step 3: Cross multiply
    43,851.57x = 65,787.08 × 20,465.25
  4. Step 4: Simplify right side
    43,851.57x = 1,346,348,936.64
  5. Step 5: Solve for x
    x = 1,346,348,936.64/43,851.57
  6. Step 6: Final answer
    x = 30,702.41

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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.