Home / 50,490.72-75,736.37-15,430.37

Finding the Fourth Proportional to 50,490.72, 75,736.37 and 15,430.37

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Solution

The fourth proportional to 50,490.72, 75,736.37 and 15,430.37 is: 23,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,490.72 : 75,736.37 = 15,430.37 : x
  2. Step 2: Convert to fraction form
    50,490.72/75,736.37 = 15,430.37/x
  3. Step 3: Cross multiply
    50,490.72x = 75,736.37 × 15,430.37
  4. Step 4: Simplify right side
    50,490.72x = 1,168,639,871.45
  5. Step 5: Solve for x
    x = 1,168,639,871.45/50,490.72
  6. Step 6: Final answer
    x = 23,145.64

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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.