Home / 50,180.80-69,231.04-30,038.08

Finding the Fourth Proportional to 50,180.80, 69,231.04 and 30,038.08

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Solution

The fourth proportional to 50,180.80, 69,231.04 and 30,038.08 is: 41,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,180.80 : 69,231.04 = 30,038.08 : x
  2. Step 2: Convert to fraction form
    50,180.80/69,231.04 = 30,038.08/x
  3. Step 3: Cross multiply
    50,180.80x = 69,231.04 × 30,038.08
  4. Step 4: Simplify right side
    50,180.80x = 2,079,567,518.00
  5. Step 5: Solve for x
    x = 2,079,567,518.00/50,180.80
  6. Step 6: Final answer
    x = 41,441.50

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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.