Home / 58,581.24-87,853.70-21,136.46

Finding the Fourth Proportional to 58,581.24, 87,853.70 and 21,136.46

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Solution

The fourth proportional to 58,581.24, 87,853.70 and 21,136.46 is: 31,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,581.24 : 87,853.70 = 21,136.46 : x
  2. Step 2: Convert to fraction form
    58,581.24/87,853.70 = 21,136.46/x
  3. Step 3: Cross multiply
    58,581.24x = 87,853.70 × 21,136.46
  4. Step 4: Simplify right side
    58,581.24x = 1,856,915,670.95
  5. Step 5: Solve for x
    x = 1,856,915,670.95/58,581.24
  6. Step 6: Final answer
    x = 31,698.13

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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.