Home / 38,481.24-53,105.18-21,484.84

Finding the Fourth Proportional to 38,481.24, 53,105.18 and 21,484.84

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Solution

The fourth proportional to 38,481.24, 53,105.18 and 21,484.84 is: 29,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.24 : 53,105.18 = 21,484.84 : x
  2. Step 2: Convert to fraction form
    38,481.24/53,105.18 = 21,484.84/x
  3. Step 3: Cross multiply
    38,481.24x = 53,105.18 × 21,484.84
  4. Step 4: Simplify right side
    38,481.24x = 1,140,956,295.47
  5. Step 5: Solve for x
    x = 1,140,956,295.47/38,481.24
  6. Step 6: Final answer
    x = 29,649.68

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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.