Home / 50,540.40-75,810.36-13,604.40

Finding the Fourth Proportional to 50,540.40, 75,810.36 and 13,604.40

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Solution

The fourth proportional to 50,540.40, 75,810.36 and 13,604.40 is: 20,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,540.40 : 75,810.36 = 13,604.40 : x
  2. Step 2: Convert to fraction form
    50,540.40/75,810.36 = 13,604.40/x
  3. Step 3: Cross multiply
    50,540.40x = 75,810.36 × 13,604.40
  4. Step 4: Simplify right side
    50,540.40x = 1,031,354,461.58
  5. Step 5: Solve for x
    x = 1,031,354,461.58/50,540.40
  6. Step 6: Final answer
    x = 20,406.54

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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.