Home / 38,887.51-53,551.79-33,780.70

Finding the Fourth Proportional to 38,887.51, 53,551.79 and 33,780.70

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Solution

The fourth proportional to 38,887.51, 53,551.79 and 33,780.70 is: 46,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,887.51 : 53,551.79 = 33,780.70 : x
  2. Step 2: Convert to fraction form
    38,887.51/53,551.79 = 33,780.70/x
  3. Step 3: Cross multiply
    38,887.51x = 53,551.79 × 33,780.70
  4. Step 4: Simplify right side
    38,887.51x = 1,809,016,952.45
  5. Step 5: Solve for x
    x = 1,809,016,952.45/38,887.51
  6. Step 6: Final answer
    x = 46,519.23

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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.