Home / 36,006.60-54,009.48-12,313.92

Finding the Fourth Proportional to 36,006.60, 54,009.48 and 12,313.92

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Solution

The fourth proportional to 36,006.60, 54,009.48 and 12,313.92 is: 18,470.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,006.60 : 54,009.48 = 12,313.92 : x
  2. Step 2: Convert to fraction form
    36,006.60/54,009.48 = 12,313.92/x
  3. Step 3: Cross multiply
    36,006.60x = 54,009.48 × 12,313.92
  4. Step 4: Simplify right side
    36,006.60x = 665,068,415.96
  5. Step 5: Solve for x
    x = 665,068,415.96/36,006.60
  6. Step 6: Final answer
    x = 18,470.74

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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.