Home / 39,187.94-58,784.12-12,536.25

Finding the Fourth Proportional to 39,187.94, 58,784.12 and 12,536.25

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Solution

The fourth proportional to 39,187.94, 58,784.12 and 12,536.25 is: 18,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187.94 : 58,784.12 = 12,536.25 : x
  2. Step 2: Convert to fraction form
    39,187.94/58,784.12 = 12,536.25/x
  3. Step 3: Cross multiply
    39,187.94x = 58,784.12 × 12,536.25
  4. Step 4: Simplify right side
    39,187.94x = 736,932,361.67
  5. Step 5: Solve for x
    x = 736,932,361.67/39,187.94
  6. Step 6: Final answer
    x = 18,805.08

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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.