Home / 38,113.76-52,597.44-21,118.56

Finding the Fourth Proportional to 38,113.76, 52,597.44 and 21,118.56

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Solution

The fourth proportional to 38,113.76, 52,597.44 and 21,118.56 is: 29,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113.76 : 52,597.44 = 21,118.56 : x
  2. Step 2: Convert to fraction form
    38,113.76/52,597.44 = 21,118.56/x
  3. Step 3: Cross multiply
    38,113.76x = 52,597.44 × 21,118.56
  4. Step 4: Simplify right side
    38,113.76x = 1,110,782,192.49
  5. Step 5: Solve for x
    x = 1,110,782,192.49/38,113.76
  6. Step 6: Final answer
    x = 29,143.86

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Double scale
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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.