Home / 30,247.20-41,741.13-16,999.20

Finding the Fourth Proportional to 30,247.20, 41,741.13 and 16,999.20

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Solution

The fourth proportional to 30,247.20, 41,741.13 and 16,999.20 is: 23,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.20 : 41,741.13 = 16,999.20 : x
  2. Step 2: Convert to fraction form
    30,247.20/41,741.13 = 16,999.20/x
  3. Step 3: Cross multiply
    30,247.20x = 41,741.13 × 16,999.20
  4. Step 4: Simplify right side
    30,247.20x = 709,565,817.10
  5. Step 5: Solve for x
    x = 709,565,817.10/30,247.20
  6. Step 6: Final answer
    x = 23,458.89

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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.