Home / 38,879.72-53,604.98-25,429.68

Finding the Fourth Proportional to 38,879.72, 53,604.98 and 25,429.68

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Solution

The fourth proportional to 38,879.72, 53,604.98 and 25,429.68 is: 35,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.72 : 53,604.98 = 25,429.68 : x
  2. Step 2: Convert to fraction form
    38,879.72/53,604.98 = 25,429.68/x
  3. Step 3: Cross multiply
    38,879.72x = 53,604.98 × 25,429.68
  4. Step 4: Simplify right side
    38,879.72x = 1,363,157,487.81
  5. Step 5: Solve for x
    x = 1,363,157,487.81/38,879.72
  6. Step 6: Final answer
    x = 35,060.89

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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.