Home / 30,821.04-46,257.80-12,114.16

Finding the Fourth Proportional to 30,821.04, 46,257.80 and 12,114.16

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Solution

The fourth proportional to 30,821.04, 46,257.80 and 12,114.16 is: 18,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821.04 : 46,257.80 = 12,114.16 : x
  2. Step 2: Convert to fraction form
    30,821.04/46,257.80 = 12,114.16/x
  3. Step 3: Cross multiply
    30,821.04x = 46,257.80 × 12,114.16
  4. Step 4: Simplify right side
    30,821.04x = 560,374,390.45
  5. Step 5: Solve for x
    x = 560,374,390.45/30,821.04
  6. Step 6: Final answer
    x = 18,181.55

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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.