Home / 30,035.22-41,448.72-16,423.54

Finding the Fourth Proportional to 30,035.22, 41,448.72 and 16,423.54

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Solution

The fourth proportional to 30,035.22, 41,448.72 and 16,423.54 is: 22,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.22 : 41,448.72 = 16,423.54 : x
  2. Step 2: Convert to fraction form
    30,035.22/41,448.72 = 16,423.54/x
  3. Step 3: Cross multiply
    30,035.22x = 41,448.72 × 16,423.54
  4. Step 4: Simplify right side
    30,035.22x = 680,734,710.87
  5. Step 5: Solve for x
    x = 680,734,710.87/30,035.22
  6. Step 6: Final answer
    x = 22,664.55

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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.