Home / 36,695.10-54,933.30-21,896.40

Finding the Fourth Proportional to 36,695.10, 54,933.30 and 21,896.40

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Solution

The fourth proportional to 36,695.10, 54,933.30 and 21,896.40 is: 32,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,695.10 : 54,933.30 = 21,896.40 : x
  2. Step 2: Convert to fraction form
    36,695.10/54,933.30 = 21,896.40/x
  3. Step 3: Cross multiply
    36,695.10x = 54,933.30 × 21,896.40
  4. Step 4: Simplify right side
    36,695.10x = 1,202,841,510.12
  5. Step 5: Solve for x
    x = 1,202,841,510.12/36,695.10
  6. Step 6: Final answer
    x = 32,779.35

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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.