Home / 38,224.64-52,749.44-21,457.92

Finding the Fourth Proportional to 38,224.64, 52,749.44 and 21,457.92

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Solution

The fourth proportional to 38,224.64, 52,749.44 and 21,457.92 is: 29,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,224.64 : 52,749.44 = 21,457.92 : x
  2. Step 2: Convert to fraction form
    38,224.64/52,749.44 = 21,457.92/x
  3. Step 3: Cross multiply
    38,224.64x = 52,749.44 × 21,457.92
  4. Step 4: Simplify right side
    38,224.64x = 1,131,893,263.56
  5. Step 5: Solve for x
    x = 1,131,893,263.56/38,224.64
  6. Step 6: Final answer
    x = 29,611.61

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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.