Home / 30,213.03-41,693.40-16,783.68

Finding the Fourth Proportional to 30,213.03, 41,693.40 and 16,783.68

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Solution

The fourth proportional to 30,213.03, 41,693.40 and 16,783.68 is: 23,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.03 : 41,693.40 = 16,783.68 : x
  2. Step 2: Convert to fraction form
    30,213.03/41,693.40 = 16,783.68/x
  3. Step 3: Cross multiply
    30,213.03x = 41,693.40 × 16,783.68
  4. Step 4: Simplify right side
    30,213.03x = 699,768,683.71
  5. Step 5: Solve for x
    x = 699,768,683.71/30,213.03
  6. Step 6: Final answer
    x = 23,161.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.