Home / 30,331.24-41,860.50-16,903.72

Finding the Fourth Proportional to 30,331.24, 41,860.50 and 16,903.72

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Solution

The fourth proportional to 30,331.24, 41,860.50 and 16,903.72 is: 23,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.24 : 41,860.50 = 16,903.72 : x
  2. Step 2: Convert to fraction form
    30,331.24/41,860.50 = 16,903.72/x
  3. Step 3: Cross multiply
    30,331.24x = 41,860.50 × 16,903.72
  4. Step 4: Simplify right side
    30,331.24x = 707,598,171.06
  5. Step 5: Solve for x
    x = 707,598,171.06/30,331.24
  6. Step 6: Final answer
    x = 23,329.02

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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.