Home / 64,971.10-97,456.65-18,231.90

Finding the Fourth Proportional to 64,971.10, 97,456.65 and 18,231.90

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Solution

The fourth proportional to 64,971.10, 97,456.65 and 18,231.90 is: 27,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,971.10 : 97,456.65 = 18,231.90 : x
  2. Step 2: Convert to fraction form
    64,971.10/97,456.65 = 18,231.90/x
  3. Step 3: Cross multiply
    64,971.10x = 97,456.65 × 18,231.90
  4. Step 4: Simplify right side
    64,971.10x = 1,776,819,897.14
  5. Step 5: Solve for x
    x = 1,776,819,897.14/64,971.10
  6. Step 6: Final answer
    x = 27,347.85

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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.