Home / 45,199.06-67,790.88-11,919.45

Finding the Fourth Proportional to 45,199.06, 67,790.88 and 11,919.45

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Solution

The fourth proportional to 45,199.06, 67,790.88 and 11,919.45 is: 17,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,199.06 : 67,790.88 = 11,919.45 : x
  2. Step 2: Convert to fraction form
    45,199.06/67,790.88 = 11,919.45/x
  3. Step 3: Cross multiply
    45,199.06x = 67,790.88 × 11,919.45
  4. Step 4: Simplify right side
    45,199.06x = 808,030,004.62
  5. Step 5: Solve for x
    x = 808,030,004.62/45,199.06
  6. Step 6: Final answer
    x = 17,877.14

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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.