Home / 40,464.96-60,706.35-12,385.23

Finding the Fourth Proportional to 40,464.96, 60,706.35 and 12,385.23

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Solution

The fourth proportional to 40,464.96, 60,706.35 and 12,385.23 is: 18,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,464.96 : 60,706.35 = 12,385.23 : x
  2. Step 2: Convert to fraction form
    40,464.96/60,706.35 = 12,385.23/x
  3. Step 3: Cross multiply
    40,464.96x = 60,706.35 × 12,385.23
  4. Step 4: Simplify right side
    40,464.96x = 751,862,107.21
  5. Step 5: Solve for x
    x = 751,862,107.21/40,464.96
  6. Step 6: Final answer
    x = 18,580.57

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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.