Home / 50,329.07-75,438.24-20,730.76

Finding the Fourth Proportional to 50,329.07, 75,438.24 and 20,730.76

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Solution

The fourth proportional to 50,329.07, 75,438.24 and 20,730.76 is: 31,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,329.07 : 75,438.24 = 20,730.76 : x
  2. Step 2: Convert to fraction form
    50,329.07/75,438.24 = 20,730.76/x
  3. Step 3: Cross multiply
    50,329.07x = 75,438.24 × 20,730.76
  4. Step 4: Simplify right side
    50,329.07x = 1,563,892,169.01
  5. Step 5: Solve for x
    x = 1,563,892,169.01/50,329.07
  6. Step 6: Final answer
    x = 31,073.34

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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.