Home / 49,129.40-73,676.10-15,858.20

Finding the Fourth Proportional to 49,129.40, 73,676.10 and 15,858.20

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Solution

The fourth proportional to 49,129.40, 73,676.10 and 15,858.20 is: 23,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,129.40 : 73,676.10 = 15,858.20 : x
  2. Step 2: Convert to fraction form
    49,129.40/73,676.10 = 15,858.20/x
  3. Step 3: Cross multiply
    49,129.40x = 73,676.10 × 15,858.20
  4. Step 4: Simplify right side
    49,129.40x = 1,168,370,329.02
  5. Step 5: Solve for x
    x = 1,168,370,329.02/49,129.40
  6. Step 6: Final answer
    x = 23,781.49

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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.