Home / 30,808.44-42,515.62-16,661.25

Finding the Fourth Proportional to 30,808.44, 42,515.62 and 16,661.25

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Solution

The fourth proportional to 30,808.44, 42,515.62 and 16,661.25 is: 22,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.44 : 42,515.62 = 16,661.25 : x
  2. Step 2: Convert to fraction form
    30,808.44/42,515.62 = 16,661.25/x
  3. Step 3: Cross multiply
    30,808.44x = 42,515.62 × 16,661.25
  4. Step 4: Simplify right side
    30,808.44x = 708,363,332.07
  5. Step 5: Solve for x
    x = 708,363,332.07/30,808.44
  6. Step 6: Final answer
    x = 22,992.51

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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.