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Finding the Fourth Proportional to 50,881.82, 76,223.91 and 28,627.34

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Solution

The fourth proportional to 50,881.82, 76,223.91 and 28,627.34 is: 42,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.82 : 76,223.91 = 28,627.34 : x
  2. Step 2: Convert to fraction form
    50,881.82/76,223.91 = 28,627.34/x
  3. Step 3: Cross multiply
    50,881.82x = 76,223.91 × 28,627.34
  4. Step 4: Simplify right side
    50,881.82x = 2,182,087,787.70
  5. Step 5: Solve for x
    x = 2,182,087,787.70/50,881.82
  6. Step 6: Final answer
    x = 42,885.41

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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.