Home / 40,621.24-60,914.43-13,969.91

Finding the Fourth Proportional to 40,621.24, 60,914.43 and 13,969.91

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Solution

The fourth proportional to 40,621.24, 60,914.43 and 13,969.91 is: 20,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,621.24 : 60,914.43 = 13,969.91 : x
  2. Step 2: Convert to fraction form
    40,621.24/60,914.43 = 13,969.91/x
  3. Step 3: Cross multiply
    40,621.24x = 60,914.43 × 13,969.91
  4. Step 4: Simplify right side
    40,621.24x = 850,968,870.79
  5. Step 5: Solve for x
    x = 850,968,870.79/40,621.24
  6. Step 6: Final answer
    x = 20,948.87

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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.