Home / 36,779.69-50,759.70-21,677.21

Finding the Fourth Proportional to 36,779.69, 50,759.70 and 21,677.21

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Solution

The fourth proportional to 36,779.69, 50,759.70 and 21,677.21 is: 29,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,779.69 : 50,759.70 = 21,677.21 : x
  2. Step 2: Convert to fraction form
    36,779.69/50,759.70 = 21,677.21/x
  3. Step 3: Cross multiply
    36,779.69x = 50,759.70 × 21,677.21
  4. Step 4: Simplify right side
    36,779.69x = 1,100,328,422.64
  5. Step 5: Solve for x
    x = 1,100,328,422.64/36,779.69
  6. Step 6: Final answer
    x = 29,916.74

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1.5x scale

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.