Home / 38,305.94-52,861.56-21,309.98

Finding the Fourth Proportional to 38,305.94, 52,861.56 and 21,309.98

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Solution

The fourth proportional to 38,305.94, 52,861.56 and 21,309.98 is: 29,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,305.94 : 52,861.56 = 21,309.98 : x
  2. Step 2: Convert to fraction form
    38,305.94/52,861.56 = 21,309.98/x
  3. Step 3: Cross multiply
    38,305.94x = 52,861.56 × 21,309.98
  4. Step 4: Simplify right side
    38,305.94x = 1,126,478,786.37
  5. Step 5: Solve for x
    x = 1,126,478,786.37/38,305.94
  6. Step 6: Final answer
    x = 29,407.42

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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.