Home / 48,705.46-73,090.98-19,119.78

Finding the Fourth Proportional to 48,705.46, 73,090.98 and 19,119.78

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Solution

The fourth proportional to 48,705.46, 73,090.98 and 19,119.78 is: 28,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,705.46 : 73,090.98 = 19,119.78 : x
  2. Step 2: Convert to fraction form
    48,705.46/73,090.98 = 19,119.78/x
  3. Step 3: Cross multiply
    48,705.46x = 73,090.98 × 19,119.78
  4. Step 4: Simplify right side
    48,705.46x = 1,397,483,457.58
  5. Step 5: Solve for x
    x = 1,397,483,457.58/48,705.46
  6. Step 6: Final answer
    x = 28,692.54

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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.