Home / 38,421.76-53,034.60-25,696.92

Finding the Fourth Proportional to 38,421.76, 53,034.60 and 25,696.92

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Solution

The fourth proportional to 38,421.76, 53,034.60 and 25,696.92 is: 35,470.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.76 : 53,034.60 = 25,696.92 : x
  2. Step 2: Convert to fraction form
    38,421.76/53,034.60 = 25,696.92/x
  3. Step 3: Cross multiply
    38,421.76x = 53,034.60 × 25,696.92
  4. Step 4: Simplify right side
    38,421.76x = 1,362,825,873.43
  5. Step 5: Solve for x
    x = 1,362,825,873.43/38,421.76
  6. Step 6: Final answer
    x = 35,470.16

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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.