Home / 47,705.14-71,552.85-12,648.34

Finding the Fourth Proportional to 47,705.14, 71,552.85 and 12,648.34

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Solution

The fourth proportional to 47,705.14, 71,552.85 and 12,648.34 is: 18,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,705.14 : 71,552.85 = 12,648.34 : x
  2. Step 2: Convert to fraction form
    47,705.14/71,552.85 = 12,648.34/x
  3. Step 3: Cross multiply
    47,705.14x = 71,552.85 × 12,648.34
  4. Step 4: Simplify right side
    47,705.14x = 905,024,774.77
  5. Step 5: Solve for x
    x = 905,024,774.77/47,705.14
  6. Step 6: Final answer
    x = 18,971.22

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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.