Home / 57,509.18-79,393.82-40,334.29

Finding the Fourth Proportional to 57,509.18, 79,393.82 and 40,334.29

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Solution

The fourth proportional to 57,509.18, 79,393.82 and 40,334.29 is: 55,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,509.18 : 79,393.82 = 40,334.29 : x
  2. Step 2: Convert to fraction form
    57,509.18/79,393.82 = 40,334.29/x
  3. Step 3: Cross multiply
    57,509.18x = 79,393.82 × 40,334.29
  4. Step 4: Simplify right side
    57,509.18x = 3,202,293,360.09
  5. Step 5: Solve for x
    x = 3,202,293,360.09/57,509.18
  6. Step 6: Final answer
    x = 55,683.17

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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.