Home / 43,343.13-65,066.54-25,821.21

Finding the Fourth Proportional to 43,343.13, 65,066.54 and 25,821.21

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Solution

The fourth proportional to 43,343.13, 65,066.54 and 25,821.21 is: 38,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,343.13 : 65,066.54 = 25,821.21 : x
  2. Step 2: Convert to fraction form
    43,343.13/65,066.54 = 25,821.21/x
  3. Step 3: Cross multiply
    43,343.13x = 65,066.54 × 25,821.21
  4. Step 4: Simplify right side
    43,343.13x = 1,680,096,664.21
  5. Step 5: Solve for x
    x = 1,680,096,664.21/43,343.13
  6. Step 6: Final answer
    x = 38,762.70

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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.