Home / 33,779.21-46,621.08-19,640.25

Finding the Fourth Proportional to 33,779.21, 46,621.08 and 19,640.25

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Solution

The fourth proportional to 33,779.21, 46,621.08 and 19,640.25 is: 27,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,779.21 : 46,621.08 = 19,640.25 : x
  2. Step 2: Convert to fraction form
    33,779.21/46,621.08 = 19,640.25/x
  3. Step 3: Cross multiply
    33,779.21x = 46,621.08 × 19,640.25
  4. Step 4: Simplify right side
    33,779.21x = 915,649,666.47
  5. Step 5: Solve for x
    x = 915,649,666.47/33,779.21
  6. Step 6: Final answer
    x = 27,106.90

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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.