Home / 50,220.20-69,303.90-28,999.62

Finding the Fourth Proportional to 50,220.20, 69,303.90 and 28,999.62

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Solution

The fourth proportional to 50,220.20, 69,303.90 and 28,999.62 is: 40,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,220.20 : 69,303.90 = 28,999.62 : x
  2. Step 2: Convert to fraction form
    50,220.20/69,303.90 = 28,999.62/x
  3. Step 3: Cross multiply
    50,220.20x = 69,303.90 × 28,999.62
  4. Step 4: Simplify right side
    50,220.20x = 2,009,786,873.27
  5. Step 5: Solve for x
    x = 2,009,786,873.27/50,220.20
  6. Step 6: Final answer
    x = 40,019.49

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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.