Home / 30,204.77-41,681.42-16,776.88

Finding the Fourth Proportional to 30,204.77, 41,681.42 and 16,776.88

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Solution

The fourth proportional to 30,204.77, 41,681.42 and 16,776.88 is: 23,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204.77 : 41,681.42 = 16,776.88 : x
  2. Step 2: Convert to fraction form
    30,204.77/41,681.42 = 16,776.88/x
  3. Step 3: Cross multiply
    30,204.77x = 41,681.42 × 16,776.88
  4. Step 4: Simplify right side
    30,204.77x = 699,284,173.62
  5. Step 5: Solve for x
    x = 699,284,173.62/30,204.77
  6. Step 6: Final answer
    x = 23,151.45

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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.