Home / 51,585.44-71,189.70-28,924.71

Finding the Fourth Proportional to 51,585.44, 71,189.70 and 28,924.71

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Solution

The fourth proportional to 51,585.44, 71,189.70 and 28,924.71 is: 39,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585.44 : 71,189.70 = 28,924.71 : x
  2. Step 2: Convert to fraction form
    51,585.44/71,189.70 = 28,924.71/x
  3. Step 3: Cross multiply
    51,585.44x = 71,189.70 × 28,924.71
  4. Step 4: Simplify right side
    51,585.44x = 2,059,141,192.84
  5. Step 5: Solve for x
    x = 2,059,141,192.84/51,585.44
  6. Step 6: Final answer
    x = 39,917.10

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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.