Home / 50,011.50-74,980.23-30,285.42

Finding the Fourth Proportional to 50,011.50, 74,980.23 and 30,285.42

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Solution

The fourth proportional to 50,011.50, 74,980.23 and 30,285.42 is: 45,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,011.50 : 74,980.23 = 30,285.42 : x
  2. Step 2: Convert to fraction form
    50,011.50/74,980.23 = 30,285.42/x
  3. Step 3: Cross multiply
    50,011.50x = 74,980.23 × 30,285.42
  4. Step 4: Simplify right side
    50,011.50x = 2,270,807,757.25
  5. Step 5: Solve for x
    x = 2,270,807,757.25/50,011.50
  6. Step 6: Final answer
    x = 45,405.71

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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.