Home / 40,852.78-61,292.37-20,061.70

Finding the Fourth Proportional to 40,852.78, 61,292.37 and 20,061.70

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Solution

The fourth proportional to 40,852.78, 61,292.37 and 20,061.70 is: 30,099.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,852.78 : 61,292.37 = 20,061.70 : x
  2. Step 2: Convert to fraction form
    40,852.78/61,292.37 = 20,061.70/x
  3. Step 3: Cross multiply
    40,852.78x = 61,292.37 × 20,061.70
  4. Step 4: Simplify right side
    40,852.78x = 1,229,629,139.23
  5. Step 5: Solve for x
    x = 1,229,629,139.23/40,852.78
  6. Step 6: Final answer
    x = 30,099.03

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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.