Home / 39,564.40-59,355.60-11,861.68

Finding the Fourth Proportional to 39,564.40, 59,355.60 and 11,861.68

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Solution

The fourth proportional to 39,564.40, 59,355.60 and 11,861.68 is: 17,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,564.40 : 59,355.60 = 11,861.68 : x
  2. Step 2: Convert to fraction form
    39,564.40/59,355.60 = 11,861.68/x
  3. Step 3: Cross multiply
    39,564.40x = 59,355.60 × 11,861.68
  4. Step 4: Simplify right side
    39,564.40x = 704,057,133.41
  5. Step 5: Solve for x
    x = 704,057,133.41/39,564.40
  6. Step 6: Final answer
    x = 17,795.22

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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.