Home / 30,317.29-45,475.61-11,849.13

Finding the Fourth Proportional to 30,317.29, 45,475.61 and 11,849.13

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Solution

The fourth proportional to 30,317.29, 45,475.61 and 11,849.13 is: 17,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,317.29 : 45,475.61 = 11,849.13 : x
  2. Step 2: Convert to fraction form
    30,317.29/45,475.61 = 11,849.13/x
  3. Step 3: Cross multiply
    30,317.29x = 45,475.61 × 11,849.13
  4. Step 4: Simplify right side
    30,317.29x = 538,846,414.72
  5. Step 5: Solve for x
    x = 538,846,414.72/30,317.29
  6. Step 6: Final answer
    x = 17,773.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.