Home / 36,419.81-54,635.48-12,733.92

Finding the Fourth Proportional to 36,419.81, 54,635.48 and 12,733.92

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Solution

The fourth proportional to 36,419.81, 54,635.48 and 12,733.92 is: 19,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.81 : 54,635.48 = 12,733.92 : x
  2. Step 2: Convert to fraction form
    36,419.81/54,635.48 = 12,733.92/x
  3. Step 3: Cross multiply
    36,419.81x = 54,635.48 × 12,733.92
  4. Step 4: Simplify right side
    36,419.81x = 695,723,767.81
  5. Step 5: Solve for x
    x = 695,723,767.81/36,419.81
  6. Step 6: Final answer
    x = 19,102.90

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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.