Home / 50,240.72-75,358.70-18,657.06

Finding the Fourth Proportional to 50,240.72, 75,358.70 and 18,657.06

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Solution

The fourth proportional to 50,240.72, 75,358.70 and 18,657.06 is: 27,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,240.72 : 75,358.70 = 18,657.06 : x
  2. Step 2: Convert to fraction form
    50,240.72/75,358.70 = 18,657.06/x
  3. Step 3: Cross multiply
    50,240.72x = 75,358.70 × 18,657.06
  4. Step 4: Simplify right side
    50,240.72x = 1,405,971,787.42
  5. Step 5: Solve for x
    x = 1,405,971,787.42/50,240.72
  6. Step 6: Final answer
    x = 27,984.71

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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.