Home / 39,693.36-59,537.04-18,638.01

Finding the Fourth Proportional to 39,693.36, 59,537.04 and 18,638.01

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Solution

The fourth proportional to 39,693.36, 59,537.04 and 18,638.01 is: 27,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,693.36 : 59,537.04 = 18,638.01 : x
  2. Step 2: Convert to fraction form
    39,693.36/59,537.04 = 18,638.01/x
  3. Step 3: Cross multiply
    39,693.36x = 59,537.04 × 18,638.01
  4. Step 4: Simplify right side
    39,693.36x = 1,109,651,946.89
  5. Step 5: Solve for x
    x = 1,109,651,946.89/39,693.36
  6. Step 6: Final answer
    x = 27,955.61

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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.