Home / 53,879.24-74,351.52-30,004.70

Finding the Fourth Proportional to 53,879.24, 74,351.52 and 30,004.70

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Solution

The fourth proportional to 53,879.24, 74,351.52 and 30,004.70 is: 41,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,879.24 : 74,351.52 = 30,004.70 : x
  2. Step 2: Convert to fraction form
    53,879.24/74,351.52 = 30,004.70/x
  3. Step 3: Cross multiply
    53,879.24x = 74,351.52 × 30,004.70
  4. Step 4: Simplify right side
    53,879.24x = 2,230,894,680.39
  5. Step 5: Solve for x
    x = 2,230,894,680.39/53,879.24
  6. Step 6: Final answer
    x = 41,405.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.