Home / 39,052.71-58,561.41-12,391.02

Finding the Fourth Proportional to 39,052.71, 58,561.41 and 12,391.02

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Solution

The fourth proportional to 39,052.71, 58,561.41 and 12,391.02 is: 18,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,052.71 : 58,561.41 = 12,391.02 : x
  2. Step 2: Convert to fraction form
    39,052.71/58,561.41 = 12,391.02/x
  3. Step 3: Cross multiply
    39,052.71x = 58,561.41 × 12,391.02
  4. Step 4: Simplify right side
    39,052.71x = 725,635,602.54
  5. Step 5: Solve for x
    x = 725,635,602.54/39,052.71
  6. Step 6: Final answer
    x = 18,580.93

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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.