Home / 49,795.20-74,692.80-30,768.30

Finding the Fourth Proportional to 49,795.20, 74,692.80 and 30,768.30

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Solution

The fourth proportional to 49,795.20, 74,692.80 and 30,768.30 is: 46,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,795.20 : 74,692.80 = 30,768.30 : x
  2. Step 2: Convert to fraction form
    49,795.20/74,692.80 = 30,768.30/x
  3. Step 3: Cross multiply
    49,795.20x = 74,692.80 × 30,768.30
  4. Step 4: Simplify right side
    49,795.20x = 2,298,170,478.24
  5. Step 5: Solve for x
    x = 2,298,170,478.24/49,795.20
  6. Step 6: Final answer
    x = 46,152.45

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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.