Home / 47,638.62-71,465.22-12,581.01

Finding the Fourth Proportional to 47,638.62, 71,465.22 and 12,581.01

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Solution

The fourth proportional to 47,638.62, 71,465.22 and 12,581.01 is: 18,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.62 : 71,465.22 = 12,581.01 : x
  2. Step 2: Convert to fraction form
    47,638.62/71,465.22 = 12,581.01/x
  3. Step 3: Cross multiply
    47,638.62x = 71,465.22 × 12,581.01
  4. Step 4: Simplify right side
    47,638.62x = 899,104,647.47
  5. Step 5: Solve for x
    x = 899,104,647.47/47,638.62
  6. Step 6: Final answer
    x = 18,873.44

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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.