Home / 30,349.89-41,883.48-16,921.71

Finding the Fourth Proportional to 30,349.89, 41,883.48 and 16,921.71

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Solution

The fourth proportional to 30,349.89, 41,883.48 and 16,921.71 is: 23,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.89 : 41,883.48 = 16,921.71 : x
  2. Step 2: Convert to fraction form
    30,349.89/41,883.48 = 16,921.71/x
  3. Step 3: Cross multiply
    30,349.89x = 41,883.48 × 16,921.71
  4. Step 4: Simplify right side
    30,349.89x = 708,740,102.35
  5. Step 5: Solve for x
    x = 708,740,102.35/30,349.89
  6. Step 6: Final answer
    x = 23,352.31

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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.