Home / 65,136.24-89,892.30-36,458.52

Finding the Fourth Proportional to 65,136.24, 89,892.30 and 36,458.52

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Solution

The fourth proportional to 65,136.24, 89,892.30 and 36,458.52 is: 50,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,136.24 : 89,892.30 = 36,458.52 : x
  2. Step 2: Convert to fraction form
    65,136.24/89,892.30 = 36,458.52/x
  3. Step 3: Cross multiply
    65,136.24x = 89,892.30 × 36,458.52
  4. Step 4: Simplify right side
    65,136.24x = 3,277,340,217.40
  5. Step 5: Solve for x
    x = 3,277,340,217.40/65,136.24
  6. Step 6: Final answer
    x = 50,315.16

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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.