Home / 40,448.93-60,660.19-13,424.01

Finding the Fourth Proportional to 40,448.93, 60,660.19 and 13,424.01

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Solution

The fourth proportional to 40,448.93, 60,660.19 and 13,424.01 is: 20,131.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,448.93 : 60,660.19 = 13,424.01 : x
  2. Step 2: Convert to fraction form
    40,448.93/60,660.19 = 13,424.01/x
  3. Step 3: Cross multiply
    40,448.93x = 60,660.19 × 13,424.01
  4. Step 4: Simplify right side
    40,448.93x = 814,302,881.56
  5. Step 5: Solve for x
    x = 814,302,881.56/40,448.93
  6. Step 6: Final answer
    x = 20,131.63

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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.