Home / 30,949.76-46,379.28-19,227.44

Finding the Fourth Proportional to 30,949.76, 46,379.28 and 19,227.44

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Solution

The fourth proportional to 30,949.76, 46,379.28 and 19,227.44 is: 28,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,949.76 : 46,379.28 = 19,227.44 : x
  2. Step 2: Convert to fraction form
    30,949.76/46,379.28 = 19,227.44/x
  3. Step 3: Cross multiply
    30,949.76x = 46,379.28 × 19,227.44
  4. Step 4: Simplify right side
    30,949.76x = 891,754,823.44
  5. Step 5: Solve for x
    x = 891,754,823.44/30,949.76
  6. Step 6: Final answer
    x = 28,812.98

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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.