Home / 36,439.77-54,659.66-20,846.46

Finding the Fourth Proportional to 36,439.77, 54,659.66 and 20,846.46

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Solution

The fourth proportional to 36,439.77, 54,659.66 and 20,846.46 is: 31,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439.77 : 54,659.66 = 20,846.46 : x
  2. Step 2: Convert to fraction form
    36,439.77/54,659.66 = 20,846.46/x
  3. Step 3: Cross multiply
    36,439.77x = 54,659.66 × 20,846.46
  4. Step 4: Simplify right side
    36,439.77x = 1,139,460,311.57
  5. Step 5: Solve for x
    x = 1,139,460,311.57/36,439.77
  6. Step 6: Final answer
    x = 31,269.69

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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.