Home / 34,305.76-51,464.40-10,939.36

Finding the Fourth Proportional to 34,305.76, 51,464.40 and 10,939.36

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Solution

The fourth proportional to 34,305.76, 51,464.40 and 10,939.36 is: 16,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,305.76 : 51,464.40 = 10,939.36 : x
  2. Step 2: Convert to fraction form
    34,305.76/51,464.40 = 10,939.36/x
  3. Step 3: Cross multiply
    34,305.76x = 51,464.40 × 10,939.36
  4. Step 4: Simplify right side
    34,305.76x = 562,987,598.78
  5. Step 5: Solve for x
    x = 562,987,598.78/34,305.76
  6. Step 6: Final answer
    x = 16,410.88

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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.