Home / 39,982.14-59,985.19-11,903.17

Finding the Fourth Proportional to 39,982.14, 59,985.19 and 11,903.17

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Solution

The fourth proportional to 39,982.14, 59,985.19 and 11,903.17 is: 17,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.14 : 59,985.19 = 11,903.17 : x
  2. Step 2: Convert to fraction form
    39,982.14/59,985.19 = 11,903.17/x
  3. Step 3: Cross multiply
    39,982.14x = 59,985.19 × 11,903.17
  4. Step 4: Simplify right side
    39,982.14x = 714,013,914.05
  5. Step 5: Solve for x
    x = 714,013,914.05/39,982.14
  6. Step 6: Final answer
    x = 17,858.32

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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.