Home / 33,416.12-46,113.09-19,980.39

Finding the Fourth Proportional to 33,416.12, 46,113.09 and 19,980.39

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Solution

The fourth proportional to 33,416.12, 46,113.09 and 19,980.39 is: 27,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,416.12 : 46,113.09 = 19,980.39 : x
  2. Step 2: Convert to fraction form
    33,416.12/46,113.09 = 19,980.39/x
  3. Step 3: Cross multiply
    33,416.12x = 46,113.09 × 19,980.39
  4. Step 4: Simplify right side
    33,416.12x = 921,357,522.31
  5. Step 5: Solve for x
    x = 921,357,522.31/33,416.12
  6. Step 6: Final answer
    x = 27,572.25

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Double scale
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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.