Home / 30,179.41-41,646.78-16,750.31

Finding the Fourth Proportional to 30,179.41, 41,646.78 and 16,750.31

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Solution

The fourth proportional to 30,179.41, 41,646.78 and 16,750.31 is: 23,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.41 : 41,646.78 = 16,750.31 : x
  2. Step 2: Convert to fraction form
    30,179.41/41,646.78 = 16,750.31/x
  3. Step 3: Cross multiply
    30,179.41x = 41,646.78 × 16,750.31
  4. Step 4: Simplify right side
    30,179.41x = 697,596,391.75
  5. Step 5: Solve for x
    x = 697,596,391.75/30,179.41
  6. Step 6: Final answer
    x = 23,114.98

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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.