Home / 50,025.45-75,038.30-20,443.28

Finding the Fourth Proportional to 50,025.45, 75,038.30 and 20,443.28

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Solution

The fourth proportional to 50,025.45, 75,038.30 and 20,443.28 is: 30,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,025.45 : 75,038.30 = 20,443.28 : x
  2. Step 2: Convert to fraction form
    50,025.45/75,038.30 = 20,443.28/x
  3. Step 3: Cross multiply
    50,025.45x = 75,038.30 × 20,443.28
  4. Step 4: Simplify right side
    50,025.45x = 1,534,028,977.62
  5. Step 5: Solve for x
    x = 1,534,028,977.62/50,025.45
  6. Step 6: Final answer
    x = 30,664.97

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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.