Home / 43,812.40-65,718.60-29,988.40

Finding the Fourth Proportional to 43,812.40, 65,718.60 and 29,988.40

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Solution

The fourth proportional to 43,812.40, 65,718.60 and 29,988.40 is: 44,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,812.40 : 65,718.60 = 29,988.40 : x
  2. Step 2: Convert to fraction form
    43,812.40/65,718.60 = 29,988.40/x
  3. Step 3: Cross multiply
    43,812.40x = 65,718.60 × 29,988.40
  4. Step 4: Simplify right side
    43,812.40x = 1,970,795,664.24
  5. Step 5: Solve for x
    x = 1,970,795,664.24/43,812.40
  6. Step 6: Final answer
    x = 44,982.60

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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.