Home / 51,536.32-71,120.48-28,876.16

Finding the Fourth Proportional to 51,536.32, 71,120.48 and 28,876.16

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Solution

The fourth proportional to 51,536.32, 71,120.48 and 28,876.16 is: 39,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,536.32 : 71,120.48 = 28,876.16 : x
  2. Step 2: Convert to fraction form
    51,536.32/71,120.48 = 28,876.16/x
  3. Step 3: Cross multiply
    51,536.32x = 71,120.48 × 28,876.16
  4. Step 4: Simplify right side
    51,536.32x = 2,053,686,359.76
  5. Step 5: Solve for x
    x = 2,053,686,359.76/51,536.32
  6. Step 6: Final answer
    x = 39,849.30

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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.