Home / 30,254.67-41,751.12-16,825.89

Finding the Fourth Proportional to 30,254.67, 41,751.12 and 16,825.89

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Solution

The fourth proportional to 30,254.67, 41,751.12 and 16,825.89 is: 23,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.67 : 41,751.12 = 16,825.89 : x
  2. Step 2: Convert to fraction form
    30,254.67/41,751.12 = 16,825.89/x
  3. Step 3: Cross multiply
    30,254.67x = 41,751.12 × 16,825.89
  4. Step 4: Simplify right side
    30,254.67x = 702,499,752.50
  5. Step 5: Solve for x
    x = 702,499,752.50/30,254.67
  6. Step 6: Final answer
    x = 23,219.55

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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.