Home / 38,887.26-53,551.44-33,780.45

Finding the Fourth Proportional to 38,887.26, 53,551.44 and 33,780.45

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Solution

The fourth proportional to 38,887.26, 53,551.44 and 33,780.45 is: 46,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,887.26 : 53,551.44 = 33,780.45 : x
  2. Step 2: Convert to fraction form
    38,887.26/53,551.44 = 33,780.45/x
  3. Step 3: Cross multiply
    38,887.26x = 53,551.44 × 33,780.45
  4. Step 4: Simplify right side
    38,887.26x = 1,808,991,741.35
  5. Step 5: Solve for x
    x = 1,808,991,741.35/38,887.26
  6. Step 6: Final answer
    x = 46,518.88

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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.