Home / 50,470.60-69,651.01-28,964.28

Finding the Fourth Proportional to 50,470.60, 69,651.01 and 28,964.28

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Solution

The fourth proportional to 50,470.60, 69,651.01 and 28,964.28 is: 39,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,470.60 : 69,651.01 = 28,964.28 : x
  2. Step 2: Convert to fraction form
    50,470.60/69,651.01 = 28,964.28/x
  3. Step 3: Cross multiply
    50,470.60x = 69,651.01 × 28,964.28
  4. Step 4: Simplify right side
    50,470.60x = 2,017,391,355.92
  5. Step 5: Solve for x
    x = 2,017,391,355.92/50,470.60
  6. Step 6: Final answer
    x = 39,971.61

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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.