Home / 40,394.36-60,593.78-12,315.34

Finding the Fourth Proportional to 40,394.36, 60,593.78 and 12,315.34

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Solution

The fourth proportional to 40,394.36, 60,593.78 and 12,315.34 is: 18,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.36 : 60,593.78 = 12,315.34 : x
  2. Step 2: Convert to fraction form
    40,394.36/60,593.78 = 12,315.34/x
  3. Step 3: Cross multiply
    40,394.36x = 60,593.78 × 12,315.34
  4. Step 4: Simplify right side
    40,394.36x = 746,232,699.62
  5. Step 5: Solve for x
    x = 746,232,699.62/40,394.36
  6. Step 6: Final answer
    x = 18,473.69

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1.5x scale

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.