Home / 30,314.39-41,828.32-16,885.31

Finding the Fourth Proportional to 30,314.39, 41,828.32 and 16,885.31

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Solution

The fourth proportional to 30,314.39, 41,828.32 and 16,885.31 is: 23,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,314.39 : 41,828.32 = 16,885.31 : x
  2. Step 2: Convert to fraction form
    30,314.39/41,828.32 = 16,885.31/x
  3. Step 3: Cross multiply
    30,314.39x = 41,828.32 × 16,885.31
  4. Step 4: Simplify right side
    30,314.39x = 706,283,898.62
  5. Step 5: Solve for x
    x = 706,283,898.62/30,314.39
  6. Step 6: Final answer
    x = 23,298.63

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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.