Home / 50,317.12-75,509.70-19,151.56

Finding the Fourth Proportional to 50,317.12, 75,509.70 and 19,151.56

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Solution

The fourth proportional to 50,317.12, 75,509.70 and 19,151.56 is: 28,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,317.12 : 75,509.70 = 19,151.56 : x
  2. Step 2: Convert to fraction form
    50,317.12/75,509.70 = 19,151.56/x
  3. Step 3: Cross multiply
    50,317.12x = 75,509.70 × 19,151.56
  4. Step 4: Simplify right side
    50,317.12x = 1,446,128,550.13
  5. Step 5: Solve for x
    x = 1,446,128,550.13/50,317.12
  6. Step 6: Final answer
    x = 28,740.29

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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.