Home / 30,617.24-42,246.76-18,040.28

Finding the Fourth Proportional to 30,617.24, 42,246.76 and 18,040.28

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Solution

The fourth proportional to 30,617.24, 42,246.76 and 18,040.28 is: 24,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617.24 : 42,246.76 = 18,040.28 : x
  2. Step 2: Convert to fraction form
    30,617.24/42,246.76 = 18,040.28/x
  3. Step 3: Cross multiply
    30,617.24x = 42,246.76 × 18,040.28
  4. Step 4: Simplify right side
    30,617.24x = 762,143,379.49
  5. Step 5: Solve for x
    x = 762,143,379.49/30,617.24
  6. Step 6: Final answer
    x = 24,892.62

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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.