Home / 50,160.03-75,240.19-12,720.13

Finding the Fourth Proportional to 50,160.03, 75,240.19 and 12,720.13

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Solution

The fourth proportional to 50,160.03, 75,240.19 and 12,720.13 is: 19,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,160.03 : 75,240.19 = 12,720.13 : x
  2. Step 2: Convert to fraction form
    50,160.03/75,240.19 = 12,720.13/x
  3. Step 3: Cross multiply
    50,160.03x = 75,240.19 × 12,720.13
  4. Step 4: Simplify right side
    50,160.03x = 957,065,037.44
  5. Step 5: Solve for x
    x = 957,065,037.44/50,160.03
  6. Step 6: Final answer
    x = 19,080.23

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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.