Home / 50,317.50-69,420.45-30,180.90

Finding the Fourth Proportional to 50,317.50, 69,420.45 and 30,180.90

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Solution

The fourth proportional to 50,317.50, 69,420.45 and 30,180.90 is: 41,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,317.50 : 69,420.45 = 30,180.90 : x
  2. Step 2: Convert to fraction form
    50,317.50/69,420.45 = 30,180.90/x
  3. Step 3: Cross multiply
    50,317.50x = 69,420.45 × 30,180.90
  4. Step 4: Simplify right side
    50,317.50x = 2,095,171,659.41
  5. Step 5: Solve for x
    x = 2,095,171,659.41/50,317.50
  6. Step 6: Final answer
    x = 41,639.03

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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.