Home / 55,828.20-77,043.08-30,334.36

Finding the Fourth Proportional to 55,828.20, 77,043.08 and 30,334.36

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Solution

The fourth proportional to 55,828.20, 77,043.08 and 30,334.36 is: 41,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,828.20 : 77,043.08 = 30,334.36 : x
  2. Step 2: Convert to fraction form
    55,828.20/77,043.08 = 30,334.36/x
  3. Step 3: Cross multiply
    55,828.20x = 77,043.08 × 30,334.36
  4. Step 4: Simplify right side
    55,828.20x = 2,337,052,524.23
  5. Step 5: Solve for x
    x = 2,337,052,524.23/55,828.20
  6. Step 6: Final answer
    x = 41,861.51

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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.