Home / 45,147.12-62,313.39-30,040.41

Finding the Fourth Proportional to 45,147.12, 62,313.39 and 30,040.41

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Solution

The fourth proportional to 45,147.12, 62,313.39 and 30,040.41 is: 41,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,147.12 : 62,313.39 = 30,040.41 : x
  2. Step 2: Convert to fraction form
    45,147.12/62,313.39 = 30,040.41/x
  3. Step 3: Cross multiply
    45,147.12x = 62,313.39 × 30,040.41
  4. Step 4: Simplify right side
    45,147.12x = 1,871,919,784.09
  5. Step 5: Solve for x
    x = 1,871,919,784.09/45,147.12
  6. Step 6: Final answer
    x = 41,462.66

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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.