Home / 47,676.67-71,800.51-43,420.35

Finding the Fourth Proportional to 47,676.67, 71,800.51 and 43,420.35

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Solution

The fourth proportional to 47,676.67, 71,800.51 and 43,420.35 is: 65,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,676.67 : 71,800.51 = 43,420.35 : x
  2. Step 2: Convert to fraction form
    47,676.67/71,800.51 = 43,420.35/x
  3. Step 3: Cross multiply
    47,676.67x = 71,800.51 × 43,420.35
  4. Step 4: Simplify right side
    47,676.67x = 3,117,602,901.85
  5. Step 5: Solve for x
    x = 3,117,602,901.85/47,676.67
  6. Step 6: Final answer
    x = 65,390.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.