Home / 43,612.06-65,418.16-12,447.32

Finding the Fourth Proportional to 43,612.06, 65,418.16 and 12,447.32

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Solution

The fourth proportional to 43,612.06, 65,418.16 and 12,447.32 is: 18,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,612.06 : 65,418.16 = 12,447.32 : x
  2. Step 2: Convert to fraction form
    43,612.06/65,418.16 = 12,447.32/x
  3. Step 3: Cross multiply
    43,612.06x = 65,418.16 × 12,447.32
  4. Step 4: Simplify right side
    43,612.06x = 814,280,771.33
  5. Step 5: Solve for x
    x = 814,280,771.33/43,612.06
  6. Step 6: Final answer
    x = 18,671.00

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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.