Home / 30,052.10-45,074.67-7,867.61

Finding the Fourth Proportional to 30,052.10, 45,074.67 and 7,867.61

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Solution

The fourth proportional to 30,052.10, 45,074.67 and 7,867.61 is: 11,800.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.10 : 45,074.67 = 7,867.61 : x
  2. Step 2: Convert to fraction form
    30,052.10/45,074.67 = 7,867.61/x
  3. Step 3: Cross multiply
    30,052.10x = 45,074.67 × 7,867.61
  4. Step 4: Simplify right side
    30,052.10x = 354,629,924.44
  5. Step 5: Solve for x
    x = 354,629,924.44/30,052.10
  6. Step 6: Final answer
    x = 11,800.50

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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.