Home / 51,243.40-76,922.70-39,608.20

Finding the Fourth Proportional to 51,243.40, 76,922.70 and 39,608.20

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Solution

The fourth proportional to 51,243.40, 76,922.70 and 39,608.20 is: 59,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,243.40 : 76,922.70 = 39,608.20 : x
  2. Step 2: Convert to fraction form
    51,243.40/76,922.70 = 39,608.20/x
  3. Step 3: Cross multiply
    51,243.40x = 76,922.70 × 39,608.20
  4. Step 4: Simplify right side
    51,243.40x = 3,046,769,686.14
  5. Step 5: Solve for x
    x = 3,046,769,686.14/51,243.40
  6. Step 6: Final answer
    x = 59,456.82

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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.