Home / 34,176.89-47,167.36-20,745.06

Finding the Fourth Proportional to 34,176.89, 47,167.36 and 20,745.06

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Solution

The fourth proportional to 34,176.89, 47,167.36 and 20,745.06 is: 28,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,176.89 : 47,167.36 = 20,745.06 : x
  2. Step 2: Convert to fraction form
    34,176.89/47,167.36 = 20,745.06/x
  3. Step 3: Cross multiply
    34,176.89x = 47,167.36 × 20,745.06
  4. Step 4: Simplify right side
    34,176.89x = 978,489,661.38
  5. Step 5: Solve for x
    x = 978,489,661.38/34,176.89
  6. Step 6: Final answer
    x = 28,630.16

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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.