Home / 58,580.96-87,853.28-21,136.17

Finding the Fourth Proportional to 58,580.96, 87,853.28 and 21,136.17

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Solution

The fourth proportional to 58,580.96, 87,853.28 and 21,136.17 is: 31,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,580.96 : 87,853.28 = 21,136.17 : x
  2. Step 2: Convert to fraction form
    58,580.96/87,853.28 = 21,136.17/x
  3. Step 3: Cross multiply
    58,580.96x = 87,853.28 × 21,136.17
  4. Step 4: Simplify right side
    58,580.96x = 1,856,882,084.91
  5. Step 5: Solve for x
    x = 1,856,882,084.91/58,580.96
  6. Step 6: Final answer
    x = 31,697.71

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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.