Home / 53,615.88-73,993.41-30,959.10

Finding the Fourth Proportional to 53,615.88, 73,993.41 and 30,959.10

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Solution

The fourth proportional to 53,615.88, 73,993.41 and 30,959.10 is: 42,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,615.88 : 73,993.41 = 30,959.10 : x
  2. Step 2: Convert to fraction form
    53,615.88/73,993.41 = 30,959.10/x
  3. Step 3: Cross multiply
    53,615.88x = 73,993.41 × 30,959.10
  4. Step 4: Simplify right side
    53,615.88x = 2,290,769,379.53
  5. Step 5: Solve for x
    x = 2,290,769,379.53/53,615.88
  6. Step 6: Final answer
    x = 42,725.58

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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.