Home / 30,885.60-46,328.46-8,698.98

Finding the Fourth Proportional to 30,885.60, 46,328.46 and 8,698.98

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Solution

The fourth proportional to 30,885.60, 46,328.46 and 8,698.98 is: 13,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885.60 : 46,328.46 = 8,698.98 : x
  2. Step 2: Convert to fraction form
    30,885.60/46,328.46 = 8,698.98/x
  3. Step 3: Cross multiply
    30,885.60x = 46,328.46 × 8,698.98
  4. Step 4: Simplify right side
    30,885.60x = 403,010,346.97
  5. Step 5: Solve for x
    x = 403,010,346.97/30,885.60
  6. Step 6: Final answer
    x = 13,048.49

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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.