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Finding the Fourth Proportional to 34,676.64, 47,854.98 and 19,572.96

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Solution

The fourth proportional to 34,676.64, 47,854.98 and 19,572.96 is: 27,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,676.64 : 47,854.98 = 19,572.96 : x
  2. Step 2: Convert to fraction form
    34,676.64/47,854.98 = 19,572.96/x
  3. Step 3: Cross multiply
    34,676.64x = 47,854.98 × 19,572.96
  4. Step 4: Simplify right side
    34,676.64x = 936,663,609.34
  5. Step 5: Solve for x
    x = 936,663,609.34/34,676.64
  6. Step 6: Final answer
    x = 27,011.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.