Home / 38,749.79-53,460.94-25,328.78

Finding the Fourth Proportional to 38,749.79, 53,460.94 and 25,328.78

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Solution

The fourth proportional to 38,749.79, 53,460.94 and 25,328.78 is: 34,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,749.79 : 53,460.94 = 25,328.78 : x
  2. Step 2: Convert to fraction form
    38,749.79/53,460.94 = 25,328.78/x
  3. Step 3: Cross multiply
    38,749.79x = 53,460.94 × 25,328.78
  4. Step 4: Simplify right side
    38,749.79x = 1,354,100,387.85
  5. Step 5: Solve for x
    x = 1,354,100,387.85/38,749.79
  6. Step 6: Final answer
    x = 34,944.72

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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.