Home / 65,072.31-97,599.82-18,328.83

Finding the Fourth Proportional to 65,072.31, 97,599.82 and 18,328.83

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Solution

The fourth proportional to 65,072.31, 97,599.82 and 18,328.83 is: 27,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,072.31 : 97,599.82 = 18,328.83 : x
  2. Step 2: Convert to fraction form
    65,072.31/97,599.82 = 18,328.83/x
  3. Step 3: Cross multiply
    65,072.31x = 97,599.82 × 18,328.83
  4. Step 4: Simplify right side
    65,072.31x = 1,788,890,508.81
  5. Step 5: Solve for x
    x = 1,788,890,508.81/65,072.31
  6. Step 6: Final answer
    x = 27,490.81

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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.