Home / 56,431.49-77,876.33-33,771.47

Finding the Fourth Proportional to 56,431.49, 77,876.33 and 33,771.47

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Solution

The fourth proportional to 56,431.49, 77,876.33 and 33,771.47 is: 46,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,431.49 : 77,876.33 = 33,771.47 : x
  2. Step 2: Convert to fraction form
    56,431.49/77,876.33 = 33,771.47/x
  3. Step 3: Cross multiply
    56,431.49x = 77,876.33 × 33,771.47
  4. Step 4: Simplify right side
    56,431.49x = 2,629,998,168.14
  5. Step 5: Solve for x
    x = 2,629,998,168.14/56,431.49
  6. Step 6: Final answer
    x = 46,605.15

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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.