Home / 46,778.86-70,120.99-20,142.22

Finding the Fourth Proportional to 46,778.86, 70,120.99 and 20,142.22

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Solution

The fourth proportional to 46,778.86, 70,120.99 and 20,142.22 is: 30,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,778.86 : 70,120.99 = 20,142.22 : x
  2. Step 2: Convert to fraction form
    46,778.86/70,120.99 = 20,142.22/x
  3. Step 3: Cross multiply
    46,778.86x = 70,120.99 × 20,142.22
  4. Step 4: Simplify right side
    46,778.86x = 1,412,392,106.95
  5. Step 5: Solve for x
    x = 1,412,392,106.95/46,778.86
  6. Step 6: Final answer
    x = 30,192.96

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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.