Home / 53,511.86-73,846.17-30,850.75

Finding the Fourth Proportional to 53,511.86, 73,846.17 and 30,850.75

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Solution

The fourth proportional to 53,511.86, 73,846.17 and 30,850.75 is: 42,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,511.86 : 73,846.17 = 30,850.75 : x
  2. Step 2: Convert to fraction form
    53,511.86/73,846.17 = 30,850.75/x
  3. Step 3: Cross multiply
    53,511.86x = 73,846.17 × 30,850.75
  4. Step 4: Simplify right side
    53,511.86x = 2,278,209,729.13
  5. Step 5: Solve for x
    x = 2,278,209,729.13/53,511.86
  6. Step 6: Final answer
    x = 42,573.92

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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.