Home / 38,636.96-53,335.40-25,219.71

Finding the Fourth Proportional to 38,636.96, 53,335.40 and 25,219.71

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Solution

The fourth proportional to 38,636.96, 53,335.40 and 25,219.71 is: 34,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636.96 : 53,335.40 = 25,219.71 : x
  2. Step 2: Convert to fraction form
    38,636.96/53,335.40 = 25,219.71/x
  3. Step 3: Cross multiply
    38,636.96x = 53,335.40 × 25,219.71
  4. Step 4: Simplify right side
    38,636.96x = 1,345,103,194.64
  5. Step 5: Solve for x
    x = 1,345,103,194.64/38,636.96
  6. Step 6: Final answer
    x = 34,813.90

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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.