Home / 30,273.12-45,347.16-17,755.47

Finding the Fourth Proportional to 30,273.12, 45,347.16 and 17,755.47

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Solution

The fourth proportional to 30,273.12, 45,347.16 and 17,755.47 is: 26,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.12 : 45,347.16 = 17,755.47 : x
  2. Step 2: Convert to fraction form
    30,273.12/45,347.16 = 17,755.47/x
  3. Step 3: Cross multiply
    30,273.12x = 45,347.16 × 17,755.47
  4. Step 4: Simplify right side
    30,273.12x = 805,160,138.97
  5. Step 5: Solve for x
    x = 805,160,138.97/30,273.12
  6. Step 6: Final answer
    x = 26,596.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.