Home / 30,926.23-42,679.24-18,179.24

Finding the Fourth Proportional to 30,926.23, 42,679.24 and 18,179.24

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Solution

The fourth proportional to 30,926.23, 42,679.24 and 18,179.24 is: 25,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926.23 : 42,679.24 = 18,179.24 : x
  2. Step 2: Convert to fraction form
    30,926.23/42,679.24 = 18,179.24/x
  3. Step 3: Cross multiply
    30,926.23x = 42,679.24 × 18,179.24
  4. Step 4: Simplify right side
    30,926.23x = 775,875,888.13
  5. Step 5: Solve for x
    x = 775,875,888.13/30,926.23
  6. Step 6: Final answer
    x = 25,087.96

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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.