Home / 55,533.96-76,638.69-30,383.46

Finding the Fourth Proportional to 55,533.96, 76,638.69 and 30,383.46

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Solution

The fourth proportional to 55,533.96, 76,638.69 and 30,383.46 is: 41,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,533.96 : 76,638.69 = 30,383.46 : x
  2. Step 2: Convert to fraction form
    55,533.96/76,638.69 = 30,383.46/x
  3. Step 3: Cross multiply
    55,533.96x = 76,638.69 × 30,383.46
  4. Step 4: Simplify right side
    55,533.96x = 2,328,548,572.07
  5. Step 5: Solve for x
    x = 2,328,548,572.07/55,533.96
  6. Step 6: Final answer
    x = 41,930.17

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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.