Home / 30,341.75-41,871.82-16,913.86

Finding the Fourth Proportional to 30,341.75, 41,871.82 and 16,913.86

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Solution

The fourth proportional to 30,341.75, 41,871.82 and 16,913.86 is: 23,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.75 : 41,871.82 = 16,913.86 : x
  2. Step 2: Convert to fraction form
    30,341.75/41,871.82 = 16,913.86/x
  3. Step 3: Cross multiply
    30,341.75x = 41,871.82 × 16,913.86
  4. Step 4: Simplify right side
    30,341.75x = 708,214,101.43
  5. Step 5: Solve for x
    x = 708,214,101.43/30,341.75
  6. Step 6: Final answer
    x = 23,341.24

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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.