Home / 55,548.64-83,331.60-18,604

Finding the Fourth Proportional to 55,548.64, 83,331.60 and 18,604

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Solution

The fourth proportional to 55,548.64, 83,331.60 and 18,604 is: 27,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,548.64 : 83,331.60 = 18,604 : x
  2. Step 2: Convert to fraction form
    55,548.64/83,331.60 = 18,604/x
  3. Step 3: Cross multiply
    55,548.64x = 83,331.60 × 18,604
  4. Step 4: Simplify right side
    55,548.64x = 1,550,301,086.40
  5. Step 5: Solve for x
    x = 1,550,301,086.40/55,548.64
  6. Step 6: Final answer
    x = 27,908.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.