Home / 58,596.21-87,876.36-21,151.71

Finding the Fourth Proportional to 58,596.21, 87,876.36 and 21,151.71

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Solution

The fourth proportional to 58,596.21, 87,876.36 and 21,151.71 is: 31,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,596.21 : 87,876.36 = 21,151.71 : x
  2. Step 2: Convert to fraction form
    58,596.21/87,876.36 = 21,151.71/x
  3. Step 3: Cross multiply
    58,596.21x = 87,876.36 × 21,151.71
  4. Step 4: Simplify right side
    58,596.21x = 1,858,735,282.58
  5. Step 5: Solve for x
    x = 1,858,735,282.58/58,596.21
  6. Step 6: Final answer
    x = 31,721.08

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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.