Home / 30,270.20-41,772.75-16,842.74

Finding the Fourth Proportional to 30,270.20, 41,772.75 and 16,842.74

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Solution

The fourth proportional to 30,270.20, 41,772.75 and 16,842.74 is: 23,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.20 : 41,772.75 = 16,842.74 : x
  2. Step 2: Convert to fraction form
    30,270.20/41,772.75 = 16,842.74/x
  3. Step 3: Cross multiply
    30,270.20x = 41,772.75 × 16,842.74
  4. Step 4: Simplify right side
    30,270.20x = 703,567,567.34
  5. Step 5: Solve for x
    x = 703,567,567.34/30,270.20
  6. Step 6: Final answer
    x = 23,242.91

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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.