Home / 40,414.51-60,653.36-28,021.81

Finding the Fourth Proportional to 40,414.51, 60,653.36 and 28,021.81

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Solution

The fourth proportional to 40,414.51, 60,653.36 and 28,021.81 is: 42,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,414.51 : 60,653.36 = 28,021.81 : x
  2. Step 2: Convert to fraction form
    40,414.51/60,653.36 = 28,021.81/x
  3. Step 3: Cross multiply
    40,414.51x = 60,653.36 × 28,021.81
  4. Step 4: Simplify right side
    40,414.51x = 1,699,616,929.78
  5. Step 5: Solve for x
    x = 1,699,616,929.78/40,414.51
  6. Step 6: Final answer
    x = 42,054.62

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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.