Home / 33,779.52-46,618.08-19,636.80

Finding the Fourth Proportional to 33,779.52, 46,618.08 and 19,636.80

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Solution

The fourth proportional to 33,779.52, 46,618.08 and 19,636.80 is: 27,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,779.52 : 46,618.08 = 19,636.80 : x
  2. Step 2: Convert to fraction form
    33,779.52/46,618.08 = 19,636.80/x
  3. Step 3: Cross multiply
    33,779.52x = 46,618.08 × 19,636.80
  4. Step 4: Simplify right side
    33,779.52x = 915,429,913.34
  5. Step 5: Solve for x
    x = 915,429,913.34/33,779.52
  6. Step 6: Final answer
    x = 27,100.15

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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.