Home / 30,754.36-46,131.54-8,567.80

Finding the Fourth Proportional to 30,754.36, 46,131.54 and 8,567.80

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Solution

The fourth proportional to 30,754.36, 46,131.54 and 8,567.80 is: 12,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,754.36 : 46,131.54 = 8,567.80 : x
  2. Step 2: Convert to fraction form
    30,754.36/46,131.54 = 8,567.80/x
  3. Step 3: Cross multiply
    30,754.36x = 46,131.54 × 8,567.80
  4. Step 4: Simplify right side
    30,754.36x = 395,245,808.41
  5. Step 5: Solve for x
    x = 395,245,808.41/30,754.36
  6. Step 6: Final answer
    x = 12,851.70

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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.