Home / 50,720.00-76,065.13-19,107.25

Finding the Fourth Proportional to 50,720.00, 76,065.13 and 19,107.25

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Solution

The fourth proportional to 50,720.00, 76,065.13 and 19,107.25 is: 28,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720.00 : 76,065.13 = 19,107.25 : x
  2. Step 2: Convert to fraction form
    50,720.00/76,065.13 = 19,107.25/x
  3. Step 3: Cross multiply
    50,720.00x = 76,065.13 × 19,107.25
  4. Step 4: Simplify right side
    50,720.00x = 1,453,395,395.37
  5. Step 5: Solve for x
    x = 1,453,395,395.37/50,720.00
  6. Step 6: Final answer
    x = 28,655.27

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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.