Home / 43,221.60-64,833.84-12,054.24

Finding the Fourth Proportional to 43,221.60, 64,833.84 and 12,054.24

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Solution

The fourth proportional to 43,221.60, 64,833.84 and 12,054.24 is: 18,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221.60 : 64,833.84 = 12,054.24 : x
  2. Step 2: Convert to fraction form
    43,221.60/64,833.84 = 12,054.24/x
  3. Step 3: Cross multiply
    43,221.60x = 64,833.84 × 12,054.24
  4. Step 4: Simplify right side
    43,221.60x = 781,522,667.48
  5. Step 5: Solve for x
    x = 781,522,667.48/43,221.60
  6. Step 6: Final answer
    x = 18,081.76

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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.