Home / 30,779.70-46,169.55-21,837.30

Finding the Fourth Proportional to 30,779.70, 46,169.55 and 21,837.30

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Solution

The fourth proportional to 30,779.70, 46,169.55 and 21,837.30 is: 32,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,779.70 : 46,169.55 = 21,837.30 : x
  2. Step 2: Convert to fraction form
    30,779.70/46,169.55 = 21,837.30/x
  3. Step 3: Cross multiply
    30,779.70x = 46,169.55 × 21,837.30
  4. Step 4: Simplify right side
    30,779.70x = 1,008,218,314.22
  5. Step 5: Solve for x
    x = 1,008,218,314.22/30,779.70
  6. Step 6: Final answer
    x = 32,755.95

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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.