Home / 30,247.80-41,743.36-16,818.88

Finding the Fourth Proportional to 30,247.80, 41,743.36 and 16,818.88

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Solution

The fourth proportional to 30,247.80, 41,743.36 and 16,818.88 is: 23,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.80 : 41,743.36 = 16,818.88 : x
  2. Step 2: Convert to fraction form
    30,247.80/41,743.36 = 16,818.88/x
  3. Step 3: Cross multiply
    30,247.80x = 41,743.36 × 16,818.88
  4. Step 4: Simplify right side
    30,247.80x = 702,076,562.64
  5. Step 5: Solve for x
    x = 702,076,562.64/30,247.80
  6. Step 6: Final answer
    x = 23,210.83

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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.