Home / 30,418.86-45,612.70-16,195.41

Finding the Fourth Proportional to 30,418.86, 45,612.70 and 16,195.41

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Solution

The fourth proportional to 30,418.86, 45,612.70 and 16,195.41 is: 24,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.86 : 45,612.70 = 16,195.41 : x
  2. Step 2: Convert to fraction form
    30,418.86/45,612.70 = 16,195.41/x
  3. Step 3: Cross multiply
    30,418.86x = 45,612.70 × 16,195.41
  4. Step 4: Simplify right side
    30,418.86x = 738,716,377.71
  5. Step 5: Solve for x
    x = 738,716,377.71/30,418.86
  6. Step 6: Final answer
    x = 24,284.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.