Home / 53,638.21-74,014.72-29,765.89

Finding the Fourth Proportional to 53,638.21, 74,014.72 and 29,765.89

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Solution

The fourth proportional to 53,638.21, 74,014.72 and 29,765.89 is: 41,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638.21 : 74,014.72 = 29,765.89 : x
  2. Step 2: Convert to fraction form
    53,638.21/74,014.72 = 29,765.89/x
  3. Step 3: Cross multiply
    53,638.21x = 74,014.72 × 29,765.89
  4. Step 4: Simplify right side
    53,638.21x = 2,203,114,013.90
  5. Step 5: Solve for x
    x = 2,203,114,013.90/53,638.21
  6. Step 6: Final answer
    x = 41,073.59

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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.