Home / 30,182.76-41,647.77-16,754.12

Finding the Fourth Proportional to 30,182.76, 41,647.77 and 16,754.12

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Solution

The fourth proportional to 30,182.76, 41,647.77 and 16,754.12 is: 23,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182.76 : 41,647.77 = 16,754.12 : x
  2. Step 2: Convert to fraction form
    30,182.76/41,647.77 = 16,754.12/x
  3. Step 3: Cross multiply
    30,182.76x = 41,647.77 × 16,754.12
  4. Step 4: Simplify right side
    30,182.76x = 697,771,736.31
  5. Step 5: Solve for x
    x = 697,771,736.31/30,182.76
  6. Step 6: Final answer
    x = 23,118.22

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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.