Home / 43,734.63-65,611.49-14,155.45

Finding the Fourth Proportional to 43,734.63, 65,611.49 and 14,155.45

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Solution

The fourth proportional to 43,734.63, 65,611.49 and 14,155.45 is: 21,236.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,734.63 : 65,611.49 = 14,155.45 : x
  2. Step 2: Convert to fraction form
    43,734.63/65,611.49 = 14,155.45/x
  3. Step 3: Cross multiply
    43,734.63x = 65,611.49 × 14,155.45
  4. Step 4: Simplify right side
    43,734.63x = 928,760,166.12
  5. Step 5: Solve for x
    x = 928,760,166.12/43,734.63
  6. Step 6: Final answer
    x = 21,236.26

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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.