Home / 43,638.78-65,397.15-23,605.02

Finding the Fourth Proportional to 43,638.78, 65,397.15 and 23,605.02

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Solution

The fourth proportional to 43,638.78, 65,397.15 and 23,605.02 is: 35,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638.78 : 65,397.15 = 23,605.02 : x
  2. Step 2: Convert to fraction form
    43,638.78/65,397.15 = 23,605.02/x
  3. Step 3: Cross multiply
    43,638.78x = 65,397.15 × 23,605.02
  4. Step 4: Simplify right side
    43,638.78x = 1,543,701,056.43
  5. Step 5: Solve for x
    x = 1,543,701,056.43/43,638.78
  6. Step 6: Final answer
    x = 35,374.53

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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.