Home / 55,501.80-76,591.33-30,351.30

Finding the Fourth Proportional to 55,501.80, 76,591.33 and 30,351.30

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Solution

The fourth proportional to 55,501.80, 76,591.33 and 30,351.30 is: 41,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,501.80 : 76,591.33 = 30,351.30 : x
  2. Step 2: Convert to fraction form
    55,501.80/76,591.33 = 30,351.30/x
  3. Step 3: Cross multiply
    55,501.80x = 76,591.33 × 30,351.30
  4. Step 4: Simplify right side
    55,501.80x = 2,324,646,434.23
  5. Step 5: Solve for x
    x = 2,324,646,434.23/55,501.80
  6. Step 6: Final answer
    x = 41,884.16

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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.