Home / 48,293.75-66,667.20-30,415.03

Finding the Fourth Proportional to 48,293.75, 66,667.20 and 30,415.03

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Solution

The fourth proportional to 48,293.75, 66,667.20 and 30,415.03 is: 41,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,293.75 : 66,667.20 = 30,415.03 : x
  2. Step 2: Convert to fraction form
    48,293.75/66,667.20 = 30,415.03/x
  3. Step 3: Cross multiply
    48,293.75x = 66,667.20 × 30,415.03
  4. Step 4: Simplify right side
    48,293.75x = 2,027,684,888.02
  5. Step 5: Solve for x
    x = 2,027,684,888.02/48,293.75
  6. Step 6: Final answer
    x = 41,986.49

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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.