Home / 40,389.72-60,550.56-19,317.84

Finding the Fourth Proportional to 40,389.72, 60,550.56 and 19,317.84

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Solution

The fourth proportional to 40,389.72, 60,550.56 and 19,317.84 is: 28,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,389.72 : 60,550.56 = 19,317.84 : x
  2. Step 2: Convert to fraction form
    40,389.72/60,550.56 = 19,317.84/x
  3. Step 3: Cross multiply
    40,389.72x = 60,550.56 × 19,317.84
  4. Step 4: Simplify right side
    40,389.72x = 1,169,706,029.99
  5. Step 5: Solve for x
    x = 1,169,706,029.99/40,389.72
  6. Step 6: Final answer
    x = 28,960.49

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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.