Home / 53,608.23-73,989.86-30,961.85

Finding the Fourth Proportional to 53,608.23, 73,989.86 and 30,961.85

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Solution

The fourth proportional to 53,608.23, 73,989.86 and 30,961.85 is: 42,733.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,608.23 : 73,989.86 = 30,961.85 : x
  2. Step 2: Convert to fraction form
    53,608.23/73,989.86 = 30,961.85/x
  3. Step 3: Cross multiply
    53,608.23x = 73,989.86 × 30,961.85
  4. Step 4: Simplify right side
    53,608.23x = 2,290,862,422.08
  5. Step 5: Solve for x
    x = 2,290,862,422.08/53,608.23
  6. Step 6: Final answer
    x = 42,733.41

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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.