Home / 51,779.12-71,725.74-50,729.36

Finding the Fourth Proportional to 51,779.12, 71,725.74 and 50,729.36

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Solution

The fourth proportional to 51,779.12, 71,725.74 and 50,729.36 is: 70,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779.12 : 71,725.74 = 50,729.36 : x
  2. Step 2: Convert to fraction form
    51,779.12/71,725.74 = 50,729.36/x
  3. Step 3: Cross multiply
    51,779.12x = 71,725.74 × 50,729.36
  4. Step 4: Simplify right side
    51,779.12x = 3,638,600,336.86
  5. Step 5: Solve for x
    x = 3,638,600,336.86/51,779.12
  6. Step 6: Final answer
    x = 70,271.58

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.