Home / 30,862.43-42,589.96-17,438.03

Finding the Fourth Proportional to 30,862.43, 42,589.96 and 17,438.03

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Solution

The fourth proportional to 30,862.43, 42,589.96 and 17,438.03 is: 24,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,862.43 : 42,589.96 = 17,438.03 : x
  2. Step 2: Convert to fraction form
    30,862.43/42,589.96 = 17,438.03/x
  3. Step 3: Cross multiply
    30,862.43x = 42,589.96 × 17,438.03
  4. Step 4: Simplify right side
    30,862.43x = 742,684,912.99
  5. Step 5: Solve for x
    x = 742,684,912.99/30,862.43
  6. Step 6: Final answer
    x = 24,064.37

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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.