Home / 57,010.68-78,668.64-33,132.36

Finding the Fourth Proportional to 57,010.68, 78,668.64 and 33,132.36

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Solution

The fourth proportional to 57,010.68, 78,668.64 and 33,132.36 is: 45,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,010.68 : 78,668.64 = 33,132.36 : x
  2. Step 2: Convert to fraction form
    57,010.68/78,668.64 = 33,132.36/x
  3. Step 3: Cross multiply
    57,010.68x = 78,668.64 × 33,132.36
  4. Step 4: Simplify right side
    57,010.68x = 2,606,477,701.19
  5. Step 5: Solve for x
    x = 2,606,477,701.19/57,010.68
  6. Step 6: Final answer
    x = 45,719.11

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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.