Home / 50,321.85-69,442.66-28,810.89

Finding the Fourth Proportional to 50,321.85, 69,442.66 and 28,810.89

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Solution

The fourth proportional to 50,321.85, 69,442.66 and 28,810.89 is: 39,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,321.85 : 69,442.66 = 28,810.89 : x
  2. Step 2: Convert to fraction form
    50,321.85/69,442.66 = 28,810.89/x
  3. Step 3: Cross multiply
    50,321.85x = 69,442.66 × 28,810.89
  4. Step 4: Simplify right side
    50,321.85x = 2,000,704,838.57
  5. Step 5: Solve for x
    x = 2,000,704,838.57/50,321.85
  6. Step 6: Final answer
    x = 39,758.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.