Home / 50,852.96-76,623.56-42,279.20

Finding the Fourth Proportional to 50,852.96, 76,623.56 and 42,279.20

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Solution

The fourth proportional to 50,852.96, 76,623.56 and 42,279.20 is: 63,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,852.96 : 76,623.56 = 42,279.20 : x
  2. Step 2: Convert to fraction form
    50,852.96/76,623.56 = 42,279.20/x
  3. Step 3: Cross multiply
    50,852.96x = 76,623.56 × 42,279.20
  4. Step 4: Simplify right side
    50,852.96x = 3,239,582,817.95
  5. Step 5: Solve for x
    x = 3,239,582,817.95/50,852.96
  6. Step 6: Final answer
    x = 63,704.90

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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.