Home / 30,301.22-45,443.32-11,568.35

Finding the Fourth Proportional to 30,301.22, 45,443.32 and 11,568.35

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Solution

The fourth proportional to 30,301.22, 45,443.32 and 11,568.35 is: 17,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.22 : 45,443.32 = 11,568.35 : x
  2. Step 2: Convert to fraction form
    30,301.22/45,443.32 = 11,568.35/x
  3. Step 3: Cross multiply
    30,301.22x = 45,443.32 × 11,568.35
  4. Step 4: Simplify right side
    30,301.22x = 525,703,974.78
  5. Step 5: Solve for x
    x = 525,703,974.78/30,301.22
  6. Step 6: Final answer
    x = 17,349.27

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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.