Home / 39,148.73-58,721-13,846.49

Finding the Fourth Proportional to 39,148.73, 58,721 and 13,846.49

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Solution

The fourth proportional to 39,148.73, 58,721 and 13,846.49 is: 20,768.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.73 : 58,721 = 13,846.49 : x
  2. Step 2: Convert to fraction form
    39,148.73/58,721 = 13,846.49/x
  3. Step 3: Cross multiply
    39,148.73x = 58,721 × 13,846.49
  4. Step 4: Simplify right side
    39,148.73x = 813,079,739.29
  5. Step 5: Solve for x
    x = 813,079,739.29/39,148.73
  6. Step 6: Final answer
    x = 20,768.99

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1.5x scale

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.