Home / 30,824.82-42,538.26-16,677.67

Finding the Fourth Proportional to 30,824.82, 42,538.26 and 16,677.67

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Solution

The fourth proportional to 30,824.82, 42,538.26 and 16,677.67 is: 23,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.82 : 42,538.26 = 16,677.67 : x
  2. Step 2: Convert to fraction form
    30,824.82/42,538.26 = 16,677.67/x
  3. Step 3: Cross multiply
    30,824.82x = 42,538.26 × 16,677.67
  4. Step 4: Simplify right side
    30,824.82x = 709,438,933.25
  5. Step 5: Solve for x
    x = 709,438,933.25/30,824.82
  6. Step 6: Final answer
    x = 23,015.18

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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.