Home / 30,256.44-45,386.83-8,069.70

Finding the Fourth Proportional to 30,256.44, 45,386.83 and 8,069.70

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Solution

The fourth proportional to 30,256.44, 45,386.83 and 8,069.70 is: 12,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,256.44 : 45,386.83 = 8,069.70 : x
  2. Step 2: Convert to fraction form
    30,256.44/45,386.83 = 8,069.70/x
  3. Step 3: Cross multiply
    30,256.44x = 45,386.83 × 8,069.70
  4. Step 4: Simplify right side
    30,256.44x = 366,258,102.05
  5. Step 5: Solve for x
    x = 366,258,102.05/30,256.44
  6. Step 6: Final answer
    x = 12,105.13

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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.