Home / 30,669.60-42,328.53-17,241.96

Finding the Fourth Proportional to 30,669.60, 42,328.53 and 17,241.96

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Solution

The fourth proportional to 30,669.60, 42,328.53 and 17,241.96 is: 23,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.60 : 42,328.53 = 17,241.96 : x
  2. Step 2: Convert to fraction form
    30,669.60/42,328.53 = 17,241.96/x
  3. Step 3: Cross multiply
    30,669.60x = 42,328.53 × 17,241.96
  4. Step 4: Simplify right side
    30,669.60x = 729,826,821.12
  5. Step 5: Solve for x
    x = 729,826,821.12/30,669.60
  6. Step 6: Final answer
    x = 23,796.42

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1.5x scale

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.