Home / 51,176.64-70,628.96-28,519.32

Finding the Fourth Proportional to 51,176.64, 70,628.96 and 28,519.32

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Solution

The fourth proportional to 51,176.64, 70,628.96 and 28,519.32 is: 39,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.64 : 70,628.96 = 28,519.32 : x
  2. Step 2: Convert to fraction form
    51,176.64/70,628.96 = 28,519.32/x
  3. Step 3: Cross multiply
    51,176.64x = 70,628.96 × 28,519.32
  4. Step 4: Simplify right side
    51,176.64x = 2,014,290,247.66
  5. Step 5: Solve for x
    x = 2,014,290,247.66/51,176.64
  6. Step 6: Final answer
    x = 39,359.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.