Home / 47,581.08-71,372.46-12,519.42

Finding the Fourth Proportional to 47,581.08, 71,372.46 and 12,519.42

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Solution

The fourth proportional to 47,581.08, 71,372.46 and 12,519.42 is: 18,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,581.08 : 71,372.46 = 12,519.42 : x
  2. Step 2: Convert to fraction form
    47,581.08/71,372.46 = 12,519.42/x
  3. Step 3: Cross multiply
    47,581.08x = 71,372.46 × 12,519.42
  4. Step 4: Simplify right side
    47,581.08x = 893,541,803.17
  5. Step 5: Solve for x
    x = 893,541,803.17/47,581.08
  6. Step 6: Final answer
    x = 18,779.35

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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.