Home / 44,136.76-66,205.12-12,972

Finding the Fourth Proportional to 44,136.76, 66,205.12 and 12,972

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Solution

The fourth proportional to 44,136.76, 66,205.12 and 12,972 is: 19,457.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,136.76 : 66,205.12 = 12,972 : x
  2. Step 2: Convert to fraction form
    44,136.76/66,205.12 = 12,972/x
  3. Step 3: Cross multiply
    44,136.76x = 66,205.12 × 12,972
  4. Step 4: Simplify right side
    44,136.76x = 858,812,816.64
  5. Step 5: Solve for x
    x = 858,812,816.64/44,136.76
  6. Step 6: Final answer
    x = 19,457.99

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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.