Home / 38,886.51-53,550.41-33,779.70

Finding the Fourth Proportional to 38,886.51, 53,550.41 and 33,779.70

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Solution

The fourth proportional to 38,886.51, 53,550.41 and 33,779.70 is: 46,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,886.51 : 53,550.41 = 33,779.70 : x
  2. Step 2: Convert to fraction form
    38,886.51/53,550.41 = 33,779.70/x
  3. Step 3: Cross multiply
    38,886.51x = 53,550.41 × 33,779.70
  4. Step 4: Simplify right side
    38,886.51x = 1,808,916,601.37
  5. Step 5: Solve for x
    x = 1,808,916,601.37/38,886.51
  6. Step 6: Final answer
    x = 46,517.84

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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.