Home / 31,072.55-46,610.45-8,889.20

Finding the Fourth Proportional to 31,072.55, 46,610.45 and 8,889.20

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Solution

The fourth proportional to 31,072.55, 46,610.45 and 8,889.20 is: 13,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072.55 : 46,610.45 = 8,889.20 : x
  2. Step 2: Convert to fraction form
    31,072.55/46,610.45 = 8,889.20/x
  3. Step 3: Cross multiply
    31,072.55x = 46,610.45 × 8,889.20
  4. Step 4: Simplify right side
    31,072.55x = 414,329,334.64
  5. Step 5: Solve for x
    x = 414,329,334.64/31,072.55
  6. Step 6: Final answer
    x = 13,334.26

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1.5x scale

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.