Home / 39,942.18-59,905.07-18,873.27

Finding the Fourth Proportional to 39,942.18, 59,905.07 and 18,873.27

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Solution

The fourth proportional to 39,942.18, 59,905.07 and 18,873.27 is: 28,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.18 : 59,905.07 = 18,873.27 : x
  2. Step 2: Convert to fraction form
    39,942.18/59,905.07 = 18,873.27/x
  3. Step 3: Cross multiply
    39,942.18x = 59,905.07 × 18,873.27
  4. Step 4: Simplify right side
    39,942.18x = 1,130,604,536.89
  5. Step 5: Solve for x
    x = 1,130,604,536.89/39,942.18
  6. Step 6: Final answer
    x = 28,306.03

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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.