Home / 35,886.22-49,519.76-20,779.90

Finding the Fourth Proportional to 35,886.22, 49,519.76 and 20,779.90

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Solution

The fourth proportional to 35,886.22, 49,519.76 and 20,779.90 is: 28,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,886.22 : 49,519.76 = 20,779.90 : x
  2. Step 2: Convert to fraction form
    35,886.22/49,519.76 = 20,779.90/x
  3. Step 3: Cross multiply
    35,886.22x = 49,519.76 × 20,779.90
  4. Step 4: Simplify right side
    35,886.22x = 1,029,015,556.92
  5. Step 5: Solve for x
    x = 1,029,015,556.92/35,886.22
  6. Step 6: Final answer
    x = 28,674.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.