Home / 47,381.30-71,071.62-19,294.76

Finding the Fourth Proportional to 47,381.30, 71,071.62 and 19,294.76

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Solution

The fourth proportional to 47,381.30, 71,071.62 and 19,294.76 is: 28,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381.30 : 71,071.62 = 19,294.76 : x
  2. Step 2: Convert to fraction form
    47,381.30/71,071.62 = 19,294.76/x
  3. Step 3: Cross multiply
    47,381.30x = 71,071.62 × 19,294.76
  4. Step 4: Simplify right side
    47,381.30x = 1,371,309,850.71
  5. Step 5: Solve for x
    x = 1,371,309,850.71/47,381.30
  6. Step 6: Final answer
    x = 28,942.01

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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.