Home / 30,374.09-41,917.54-16,945.34

Finding the Fourth Proportional to 30,374.09, 41,917.54 and 16,945.34

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Solution

The fourth proportional to 30,374.09, 41,917.54 and 16,945.34 is: 23,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.09 : 41,917.54 = 16,945.34 : x
  2. Step 2: Convert to fraction form
    30,374.09/41,917.54 = 16,945.34/x
  3. Step 3: Cross multiply
    30,374.09x = 41,917.54 × 16,945.34
  4. Step 4: Simplify right side
    30,374.09x = 710,306,900.10
  5. Step 5: Solve for x
    x = 710,306,900.10/30,374.09
  6. Step 6: Final answer
    x = 23,385.29

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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.