Home / 67,028.48-100,473.60-30,118.40

Finding the Fourth Proportional to 67,028.48, 100,473.60 and 30,118.40

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Solution

The fourth proportional to 67,028.48, 100,473.60 and 30,118.40 is: 45,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,028.48 : 100,473.60 = 30,118.40 : x
  2. Step 2: Convert to fraction form
    67,028.48/100,473.60 = 30,118.40/x
  3. Step 3: Cross multiply
    67,028.48x = 100,473.60 × 30,118.40
  4. Step 4: Simplify right side
    67,028.48x = 3,026,104,074.24
  5. Step 5: Solve for x
    x = 3,026,104,074.24/67,028.48
  6. Step 6: Final answer
    x = 45,146.54

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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.