Home / 39,392.48-59,044.82-20,674.64

Finding the Fourth Proportional to 39,392.48, 59,044.82 and 20,674.64

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Solution

The fourth proportional to 39,392.48, 59,044.82 and 20,674.64 is: 30,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392.48 : 59,044.82 = 20,674.64 : x
  2. Step 2: Convert to fraction form
    39,392.48/59,044.82 = 20,674.64/x
  3. Step 3: Cross multiply
    39,392.48x = 59,044.82 × 20,674.64
  4. Step 4: Simplify right side
    39,392.48x = 1,220,729,998.77
  5. Step 5: Solve for x
    x = 1,220,729,998.77/39,392.48
  6. Step 6: Final answer
    x = 30,988.91

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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.