Home / 50,782.20-76,522.50-42,092.70

Finding the Fourth Proportional to 50,782.20, 76,522.50 and 42,092.70

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Solution

The fourth proportional to 50,782.20, 76,522.50 and 42,092.70 is: 63,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,782.20 : 76,522.50 = 42,092.70 : x
  2. Step 2: Convert to fraction form
    50,782.20/76,522.50 = 42,092.70/x
  3. Step 3: Cross multiply
    50,782.20x = 76,522.50 × 42,092.70
  4. Step 4: Simplify right side
    50,782.20x = 3,221,038,635.75
  5. Step 5: Solve for x
    x = 3,221,038,635.75/50,782.20
  6. Step 6: Final answer
    x = 63,428.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.