Home / 30,250.52-41,743.30-16,820.72

Finding the Fourth Proportional to 30,250.52, 41,743.30 and 16,820.72

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Solution

The fourth proportional to 30,250.52, 41,743.30 and 16,820.72 is: 23,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.52 : 41,743.30 = 16,820.72 : x
  2. Step 2: Convert to fraction form
    30,250.52/41,743.30 = 16,820.72/x
  3. Step 3: Cross multiply
    30,250.52x = 41,743.30 × 16,820.72
  4. Step 4: Simplify right side
    30,250.52x = 702,152,361.18
  5. Step 5: Solve for x
    x = 702,152,361.18/30,250.52
  6. Step 6: Final answer
    x = 23,211.25

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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.