Home / 30,297.65-45,443.70-8,110.26

Finding the Fourth Proportional to 30,297.65, 45,443.70 and 8,110.26

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Solution

The fourth proportional to 30,297.65, 45,443.70 and 8,110.26 is: 12,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.65 : 45,443.70 = 8,110.26 : x
  2. Step 2: Convert to fraction form
    30,297.65/45,443.70 = 8,110.26/x
  3. Step 3: Cross multiply
    30,297.65x = 45,443.70 × 8,110.26
  4. Step 4: Simplify right side
    30,297.65x = 368,560,222.36
  5. Step 5: Solve for x
    x = 368,560,222.36/30,297.65
  6. Step 6: Final answer
    x = 12,164.65

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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.