Home / 50,737.80-76,074.30-21,167.40

Finding the Fourth Proportional to 50,737.80, 76,074.30 and 21,167.40

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Solution

The fourth proportional to 50,737.80, 76,074.30 and 21,167.40 is: 31,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,737.80 : 76,074.30 = 21,167.40 : x
  2. Step 2: Convert to fraction form
    50,737.80/76,074.30 = 21,167.40/x
  3. Step 3: Cross multiply
    50,737.80x = 76,074.30 × 21,167.40
  4. Step 4: Simplify right side
    50,737.80x = 1,610,295,137.82
  5. Step 5: Solve for x
    x = 1,610,295,137.82/50,737.80
  6. Step 6: Final answer
    x = 31,737.58

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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.