Home / 40,106-60,160.44-12,403.28

Finding the Fourth Proportional to 40,106, 60,160.44 and 12,403.28

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Solution

The fourth proportional to 40,106, 60,160.44 and 12,403.28 is: 18,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,106 : 60,160.44 = 12,403.28 : x
  2. Step 2: Convert to fraction form
    40,106/60,160.44 = 12,403.28/x
  3. Step 3: Cross multiply
    40,106x = 60,160.44 × 12,403.28
  4. Step 4: Simplify right side
    40,106x = 746,186,782.24
  5. Step 5: Solve for x
    x = 746,186,782.24/40,106
  6. Step 6: Final answer
    x = 18,605.37

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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.