Home / 43,215-64,833.44-12,050.25

Finding the Fourth Proportional to 43,215, 64,833.44 and 12,050.25

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Solution

The fourth proportional to 43,215, 64,833.44 and 12,050.25 is: 18,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,215 : 64,833.44 = 12,050.25 : x
  2. Step 2: Convert to fraction form
    43,215/64,833.44 = 12,050.25/x
  3. Step 3: Cross multiply
    43,215x = 64,833.44 × 12,050.25
  4. Step 4: Simplify right side
    43,215x = 781,259,100.11
  5. Step 5: Solve for x
    x = 781,259,100.11/43,215
  6. Step 6: Final answer
    x = 18,078.42

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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.