Home / 57,003.48-78,668.42-32,812.63

Finding the Fourth Proportional to 57,003.48, 78,668.42 and 32,812.63

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Solution

The fourth proportional to 57,003.48, 78,668.42 and 32,812.63 is: 45,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.48 : 78,668.42 = 32,812.63 : x
  2. Step 2: Convert to fraction form
    57,003.48/78,668.42 = 32,812.63/x
  3. Step 3: Cross multiply
    57,003.48x = 78,668.42 × 32,812.63
  4. Step 4: Simplify right side
    57,003.48x = 2,581,317,397.41
  5. Step 5: Solve for x
    x = 2,581,317,397.41/57,003.48
  6. Step 6: Final answer
    x = 45,283.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.