Home / 33,430.22-50,143.96-19,380.16

Finding the Fourth Proportional to 33,430.22, 50,143.96 and 19,380.16

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Solution

The fourth proportional to 33,430.22, 50,143.96 and 19,380.16 is: 29,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.22 : 50,143.96 = 19,380.16 : x
  2. Step 2: Convert to fraction form
    33,430.22/50,143.96 = 19,380.16/x
  3. Step 3: Cross multiply
    33,430.22x = 50,143.96 × 19,380.16
  4. Step 4: Simplify right side
    33,430.22x = 971,798,054.74
  5. Step 5: Solve for x
    x = 971,798,054.74/33,430.22
  6. Step 6: Final answer
    x = 29,069.45

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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.