Home / 50,659.60-75,989.46-13,219.65

Finding the Fourth Proportional to 50,659.60, 75,989.46 and 13,219.65

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Solution

The fourth proportional to 50,659.60, 75,989.46 and 13,219.65 is: 19,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,659.60 : 75,989.46 = 13,219.65 : x
  2. Step 2: Convert to fraction form
    50,659.60/75,989.46 = 13,219.65/x
  3. Step 3: Cross multiply
    50,659.60x = 75,989.46 × 13,219.65
  4. Step 4: Simplify right side
    50,659.60x = 1,004,554,064.89
  5. Step 5: Solve for x
    x = 1,004,554,064.89/50,659.60
  6. Step 6: Final answer
    x = 19,829.49

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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.