Home / 50,734.79-76,090.64-19,148.20

Finding the Fourth Proportional to 50,734.79, 76,090.64 and 19,148.20

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Solution

The fourth proportional to 50,734.79, 76,090.64 and 19,148.20 is: 28,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,734.79 : 76,090.64 = 19,148.20 : x
  2. Step 2: Convert to fraction form
    50,734.79/76,090.64 = 19,148.20/x
  3. Step 3: Cross multiply
    50,734.79x = 76,090.64 × 19,148.20
  4. Step 4: Simplify right side
    50,734.79x = 1,456,998,792.85
  5. Step 5: Solve for x
    x = 1,456,998,792.85/50,734.79
  6. Step 6: Final answer
    x = 28,717.94

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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.