Home / 30,370.64-41,911.19-16,758.80

Finding the Fourth Proportional to 30,370.64, 41,911.19 and 16,758.80

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Solution

The fourth proportional to 30,370.64, 41,911.19 and 16,758.80 is: 23,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.64 : 41,911.19 = 16,758.80 : x
  2. Step 2: Convert to fraction form
    30,370.64/41,911.19 = 16,758.80/x
  3. Step 3: Cross multiply
    30,370.64x = 41,911.19 × 16,758.80
  4. Step 4: Simplify right side
    30,370.64x = 702,381,250.97
  5. Step 5: Solve for x
    x = 702,381,250.97/30,370.64
  6. Step 6: Final answer
    x = 23,126.98

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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.