Home / 71,185.76-106,779.68-18,595.25

Finding the Fourth Proportional to 71,185.76, 106,779.68 and 18,595.25

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Solution

The fourth proportional to 71,185.76, 106,779.68 and 18,595.25 is: 27,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,185.76 : 106,779.68 = 18,595.25 : x
  2. Step 2: Convert to fraction form
    71,185.76/106,779.68 = 18,595.25/x
  3. Step 3: Cross multiply
    71,185.76x = 106,779.68 × 18,595.25
  4. Step 4: Simplify right side
    71,185.76x = 1,985,594,751.54
  5. Step 5: Solve for x
    x = 1,985,594,751.54/71,185.76
  6. Step 6: Final answer
    x = 27,893.15

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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.