Home / 30,824.96-42,538.38-16,677.80

Finding the Fourth Proportional to 30,824.96, 42,538.38 and 16,677.80

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Solution

The fourth proportional to 30,824.96, 42,538.38 and 16,677.80 is: 23,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.96 : 42,538.38 = 16,677.80 : x
  2. Step 2: Convert to fraction form
    30,824.96/42,538.38 = 16,677.80/x
  3. Step 3: Cross multiply
    30,824.96x = 42,538.38 × 16,677.80
  4. Step 4: Simplify right side
    30,824.96x = 709,446,593.96
  5. Step 5: Solve for x
    x = 709,446,593.96/30,824.96
  6. Step 6: Final answer
    x = 23,015.33

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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.