Home / 30,550.93-45,828.51-12,774.87

Finding the Fourth Proportional to 30,550.93, 45,828.51 and 12,774.87

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Solution

The fourth proportional to 30,550.93, 45,828.51 and 12,774.87 is: 19,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,550.93 : 45,828.51 = 12,774.87 : x
  2. Step 2: Convert to fraction form
    30,550.93/45,828.51 = 12,774.87/x
  3. Step 3: Cross multiply
    30,550.93x = 45,828.51 × 12,774.87
  4. Step 4: Simplify right side
    30,550.93x = 585,453,257.54
  5. Step 5: Solve for x
    x = 585,453,257.54/30,550.93
  6. Step 6: Final answer
    x = 19,163.19

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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.