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Finding the Fourth Proportional to 50,999.79, 76,499.70 and 19,402.55

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Solution

The fourth proportional to 50,999.79, 76,499.70 and 19,402.55 is: 29,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,999.79 : 76,499.70 = 19,402.55 : x
  2. Step 2: Convert to fraction form
    50,999.79/76,499.70 = 19,402.55/x
  3. Step 3: Cross multiply
    50,999.79x = 76,499.70 × 19,402.55
  4. Step 4: Simplify right side
    50,999.79x = 1,484,288,871.74
  5. Step 5: Solve for x
    x = 1,484,288,871.74/50,999.79
  6. Step 6: Final answer
    x = 29,103.82

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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.