Home / 57,558.14-79,430.13-33,689.33

Finding the Fourth Proportional to 57,558.14, 79,430.13 and 33,689.33

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Solution

The fourth proportional to 57,558.14, 79,430.13 and 33,689.33 is: 46,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,558.14 : 79,430.13 = 33,689.33 : x
  2. Step 2: Convert to fraction form
    57,558.14/79,430.13 = 33,689.33/x
  3. Step 3: Cross multiply
    57,558.14x = 79,430.13 × 33,689.33
  4. Step 4: Simplify right side
    57,558.14x = 2,675,948,060.09
  5. Step 5: Solve for x
    x = 2,675,948,060.09/57,558.14
  6. Step 6: Final answer
    x = 46,491.22

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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.