Home / 40,424.76-60,645.78-14,130.36

Finding the Fourth Proportional to 40,424.76, 60,645.78 and 14,130.36

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Solution

The fourth proportional to 40,424.76, 60,645.78 and 14,130.36 is: 21,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,424.76 : 60,645.78 = 14,130.36 : x
  2. Step 2: Convert to fraction form
    40,424.76/60,645.78 = 14,130.36/x
  3. Step 3: Cross multiply
    40,424.76x = 60,645.78 × 14,130.36
  4. Step 4: Simplify right side
    40,424.76x = 856,946,703.88
  5. Step 5: Solve for x
    x = 856,946,703.88/40,424.76
  6. Step 6: Final answer
    x = 21,198.56

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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.