Home / 36,295.24-54,443.40-12,921.08

Finding the Fourth Proportional to 36,295.24, 54,443.40 and 12,921.08

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Solution

The fourth proportional to 36,295.24, 54,443.40 and 12,921.08 is: 19,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,295.24 : 54,443.40 = 12,921.08 : x
  2. Step 2: Convert to fraction form
    36,295.24/54,443.40 = 12,921.08/x
  3. Step 3: Cross multiply
    36,295.24x = 54,443.40 × 12,921.08
  4. Step 4: Simplify right side
    36,295.24x = 703,467,526.87
  5. Step 5: Solve for x
    x = 703,467,526.87/36,295.24
  6. Step 6: Final answer
    x = 19,381.81

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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.