Home / 50,724.12-76,071.32-19,111.37

Finding the Fourth Proportional to 50,724.12, 76,071.32 and 19,111.37

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Solution

The fourth proportional to 50,724.12, 76,071.32 and 19,111.37 is: 28,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,724.12 : 76,071.32 = 19,111.37 : x
  2. Step 2: Convert to fraction form
    50,724.12/76,071.32 = 19,111.37/x
  3. Step 3: Cross multiply
    50,724.12x = 76,071.32 × 19,111.37
  4. Step 4: Simplify right side
    50,724.12x = 1,453,827,237.53
  5. Step 5: Solve for x
    x = 1,453,827,237.53/50,724.12
  6. Step 6: Final answer
    x = 28,661.46

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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.