Home / 30,132.80-41,580.48-16,703.42

Finding the Fourth Proportional to 30,132.80, 41,580.48 and 16,703.42

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Solution

The fourth proportional to 30,132.80, 41,580.48 and 16,703.42 is: 23,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.80 : 41,580.48 = 16,703.42 : x
  2. Step 2: Convert to fraction form
    30,132.80/41,580.48 = 16,703.42/x
  3. Step 3: Cross multiply
    30,132.80x = 41,580.48 × 16,703.42
  4. Step 4: Simplify right side
    30,132.80x = 694,536,221.24
  5. Step 5: Solve for x
    x = 694,536,221.24/30,132.80
  6. Step 6: Final answer
    x = 23,049.18

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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.