Home / 57,617.18-79,512.30-33,419.77

Finding the Fourth Proportional to 57,617.18, 79,512.30 and 33,419.77

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Solution

The fourth proportional to 57,617.18, 79,512.30 and 33,419.77 is: 46,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,617.18 : 79,512.30 = 33,419.77 : x
  2. Step 2: Convert to fraction form
    57,617.18/79,512.30 = 33,419.77/x
  3. Step 3: Cross multiply
    57,617.18x = 79,512.30 × 33,419.77
  4. Step 4: Simplify right side
    57,617.18x = 2,657,283,184.20
  5. Step 5: Solve for x
    x = 2,657,283,184.20/57,617.18
  6. Step 6: Final answer
    x = 46,119.64

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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.