Home / 50,415.36-75,623.07-20,800.65

Finding the Fourth Proportional to 50,415.36, 75,623.07 and 20,800.65

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Solution

The fourth proportional to 50,415.36, 75,623.07 and 20,800.65 is: 31,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415.36 : 75,623.07 = 20,800.65 : x
  2. Step 2: Convert to fraction form
    50,415.36/75,623.07 = 20,800.65/x
  3. Step 3: Cross multiply
    50,415.36x = 75,623.07 × 20,800.65
  4. Step 4: Simplify right side
    50,415.36x = 1,573,008,830.20
  5. Step 5: Solve for x
    x = 1,573,008,830.20/50,415.36
  6. Step 6: Final answer
    x = 31,200.98

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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.