Home / 38,895.39-53,678.70-35,879.76

Finding the Fourth Proportional to 38,895.39, 53,678.70 and 35,879.76

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Solution

The fourth proportional to 38,895.39, 53,678.70 and 35,879.76 is: 49,516.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,895.39 : 53,678.70 = 35,879.76 : x
  2. Step 2: Convert to fraction form
    38,895.39/53,678.70 = 35,879.76/x
  3. Step 3: Cross multiply
    38,895.39x = 53,678.70 × 35,879.76
  4. Step 4: Simplify right side
    38,895.39x = 1,925,978,873.11
  5. Step 5: Solve for x
    x = 1,925,978,873.11/38,895.39
  6. Step 6: Final answer
    x = 49,516.89

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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.