Home / 30,227.38-45,317.37-19,110.74

Finding the Fourth Proportional to 30,227.38, 45,317.37 and 19,110.74

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Solution

The fourth proportional to 30,227.38, 45,317.37 and 19,110.74 is: 28,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,227.38 : 45,317.37 = 19,110.74 : x
  2. Step 2: Convert to fraction form
    30,227.38/45,317.37 = 19,110.74/x
  3. Step 3: Cross multiply
    30,227.38x = 45,317.37 × 19,110.74
  4. Step 4: Simplify right side
    30,227.38x = 866,048,320.63
  5. Step 5: Solve for x
    x = 866,048,320.63/30,227.38
  6. Step 6: Final answer
    x = 28,651.12

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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.