Home / 50,998.86-70,378.20-28,341.54

Finding the Fourth Proportional to 50,998.86, 70,378.20 and 28,341.54

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Solution

The fourth proportional to 50,998.86, 70,378.20 and 28,341.54 is: 39,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,998.86 : 70,378.20 = 28,341.54 : x
  2. Step 2: Convert to fraction form
    50,998.86/70,378.20 = 28,341.54/x
  3. Step 3: Cross multiply
    50,998.86x = 70,378.20 × 28,341.54
  4. Step 4: Simplify right side
    50,998.86x = 1,994,626,570.43
  5. Step 5: Solve for x
    x = 1,994,626,570.43/50,998.86
  6. Step 6: Final answer
    x = 39,111.20

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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.