Home / 30,035.60-41,449.40-16,424.03

Finding the Fourth Proportional to 30,035.60, 41,449.40 and 16,424.03

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Solution

The fourth proportional to 30,035.60, 41,449.40 and 16,424.03 is: 22,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.60 : 41,449.40 = 16,424.03 : x
  2. Step 2: Convert to fraction form
    30,035.60/41,449.40 = 16,424.03/x
  3. Step 3: Cross multiply
    30,035.60x = 41,449.40 × 16,424.03
  4. Step 4: Simplify right side
    30,035.60x = 680,766,189.08
  5. Step 5: Solve for x
    x = 680,766,189.08/30,035.60
  6. Step 6: Final answer
    x = 22,665.31

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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.