Home / 33,888.59-46,768.11-18,780.93

Finding the Fourth Proportional to 33,888.59, 46,768.11 and 18,780.93

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Solution

The fourth proportional to 33,888.59, 46,768.11 and 18,780.93 is: 25,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,888.59 : 46,768.11 = 18,780.93 : x
  2. Step 2: Convert to fraction form
    33,888.59/46,768.11 = 18,780.93/x
  3. Step 3: Cross multiply
    33,888.59x = 46,768.11 × 18,780.93
  4. Step 4: Simplify right side
    33,888.59x = 878,348,600.14
  5. Step 5: Solve for x
    x = 878,348,600.14/33,888.59
  6. Step 6: Final answer
    x = 25,918.72

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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.