Home / 38,913.12-58,342.80-25,725.72

Finding the Fourth Proportional to 38,913.12, 58,342.80 and 25,725.72

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Solution

The fourth proportional to 38,913.12, 58,342.80 and 25,725.72 is: 38,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,913.12 : 58,342.80 = 25,725.72 : x
  2. Step 2: Convert to fraction form
    38,913.12/58,342.80 = 25,725.72/x
  3. Step 3: Cross multiply
    38,913.12x = 58,342.80 × 25,725.72
  4. Step 4: Simplify right side
    38,913.12x = 1,500,910,536.82
  5. Step 5: Solve for x
    x = 1,500,910,536.82/38,913.12
  6. Step 6: Final answer
    x = 38,570.81

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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.