Home / 47,492.04-71,211.75-19,431.81

Finding the Fourth Proportional to 47,492.04, 71,211.75 and 19,431.81

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Solution

The fourth proportional to 47,492.04, 71,211.75 and 19,431.81 is: 29,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,492.04 : 71,211.75 = 19,431.81 : x
  2. Step 2: Convert to fraction form
    47,492.04/71,211.75 = 19,431.81/x
  3. Step 3: Cross multiply
    47,492.04x = 71,211.75 × 19,431.81
  4. Step 4: Simplify right side
    47,492.04x = 1,383,773,195.77
  5. Step 5: Solve for x
    x = 1,383,773,195.77/47,492.04
  6. Step 6: Final answer
    x = 29,136.95

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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.