Home / 38,310.45-52,867.41-21,313.83

Finding the Fourth Proportional to 38,310.45, 52,867.41 and 21,313.83

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Solution

The fourth proportional to 38,310.45, 52,867.41 and 21,313.83 is: 29,412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.45 : 52,867.41 = 21,313.83 : x
  2. Step 2: Convert to fraction form
    38,310.45/52,867.41 = 21,313.83/x
  3. Step 3: Cross multiply
    38,310.45x = 52,867.41 × 21,313.83
  4. Step 4: Simplify right side
    38,310.45x = 1,126,806,989.28
  5. Step 5: Solve for x
    x = 1,126,806,989.28/38,310.45
  6. Step 6: Final answer
    x = 29,412.52

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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.