Home / 30,103.81-41,539.17-16,671.76

Finding the Fourth Proportional to 30,103.81, 41,539.17 and 16,671.76

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Solution

The fourth proportional to 30,103.81, 41,539.17 and 16,671.76 is: 23,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.81 : 41,539.17 = 16,671.76 : x
  2. Step 2: Convert to fraction form
    30,103.81/41,539.17 = 16,671.76/x
  3. Step 3: Cross multiply
    30,103.81x = 41,539.17 × 16,671.76
  4. Step 4: Simplify right side
    30,103.81x = 692,531,072.84
  5. Step 5: Solve for x
    x = 692,531,072.84/30,103.81
  6. Step 6: Final answer
    x = 23,004.76

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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.