Home / 31,072.12-46,607.92-18,595.60

Finding the Fourth Proportional to 31,072.12, 46,607.92 and 18,595.60

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Solution

The fourth proportional to 31,072.12, 46,607.92 and 18,595.60 is: 27,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072.12 : 46,607.92 = 18,595.60 : x
  2. Step 2: Convert to fraction form
    31,072.12/46,607.92 = 18,595.60/x
  3. Step 3: Cross multiply
    31,072.12x = 46,607.92 × 18,595.60
  4. Step 4: Simplify right side
    31,072.12x = 866,702,237.15
  5. Step 5: Solve for x
    x = 866,702,237.15/31,072.12
  6. Step 6: Final answer
    x = 27,893.24

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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.