Home / 35,976.89-53,980.85-19,317.44

Finding the Fourth Proportional to 35,976.89, 53,980.85 and 19,317.44

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Solution

The fourth proportional to 35,976.89, 53,980.85 and 19,317.44 is: 28,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,976.89 : 53,980.85 = 19,317.44 : x
  2. Step 2: Convert to fraction form
    35,976.89/53,980.85 = 19,317.44/x
  3. Step 3: Cross multiply
    35,976.89x = 53,980.85 × 19,317.44
  4. Step 4: Simplify right side
    35,976.89x = 1,042,772,014.27
  5. Step 5: Solve for x
    x = 1,042,772,014.27/35,976.89
  6. Step 6: Final answer
    x = 28,984.49

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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.