Home / 36,409.72-54,527.10-20,779.96

Finding the Fourth Proportional to 36,409.72, 54,527.10 and 20,779.96

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Solution

The fourth proportional to 36,409.72, 54,527.10 and 20,779.96 is: 31,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,409.72 : 54,527.10 = 20,779.96 : x
  2. Step 2: Convert to fraction form
    36,409.72/54,527.10 = 20,779.96/x
  3. Step 3: Cross multiply
    36,409.72x = 54,527.10 × 20,779.96
  4. Step 4: Simplify right side
    36,409.72x = 1,133,070,956.92
  5. Step 5: Solve for x
    x = 1,133,070,956.92/36,409.72
  6. Step 6: Final answer
    x = 31,120.01

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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.