Home / 30,914.42-42,661.80-16,767.26

Finding the Fourth Proportional to 30,914.42, 42,661.80 and 16,767.26

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Solution

The fourth proportional to 30,914.42, 42,661.80 and 16,767.26 is: 23,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914.42 : 42,661.80 = 16,767.26 : x
  2. Step 2: Convert to fraction form
    30,914.42/42,661.80 = 16,767.26/x
  3. Step 3: Cross multiply
    30,914.42x = 42,661.80 × 16,767.26
  4. Step 4: Simplify right side
    30,914.42x = 715,321,492.67
  5. Step 5: Solve for x
    x = 715,321,492.67/30,914.42
  6. Step 6: Final answer
    x = 23,138.76

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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.