Home / 30,324.16-45,501.72-12,568.24

Finding the Fourth Proportional to 30,324.16, 45,501.72 and 12,568.24

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Solution

The fourth proportional to 30,324.16, 45,501.72 and 12,568.24 is: 18,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,324.16 : 45,501.72 = 12,568.24 : x
  2. Step 2: Convert to fraction form
    30,324.16/45,501.72 = 12,568.24/x
  3. Step 3: Cross multiply
    30,324.16x = 45,501.72 × 12,568.24
  4. Step 4: Simplify right side
    30,324.16x = 571,876,537.37
  5. Step 5: Solve for x
    x = 571,876,537.37/30,324.16
  6. Step 6: Final answer
    x = 18,858.78

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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.