Home / 50,580.30-75,904.31-20,998.16

Finding the Fourth Proportional to 50,580.30, 75,904.31 and 20,998.16

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Solution

The fourth proportional to 50,580.30, 75,904.31 and 20,998.16 is: 31,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,580.30 : 75,904.31 = 20,998.16 : x
  2. Step 2: Convert to fraction form
    50,580.30/75,904.31 = 20,998.16/x
  3. Step 3: Cross multiply
    50,580.30x = 75,904.31 × 20,998.16
  4. Step 4: Simplify right side
    50,580.30x = 1,593,850,846.07
  5. Step 5: Solve for x
    x = 1,593,850,846.07/50,580.30
  6. Step 6: Final answer
    x = 31,511.30

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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.