Home / 39,012.84-58,649.74-30,791.95

Finding the Fourth Proportional to 39,012.84, 58,649.74 and 30,791.95

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Solution

The fourth proportional to 39,012.84, 58,649.74 and 30,791.95 is: 46,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,012.84 : 58,649.74 = 30,791.95 : x
  2. Step 2: Convert to fraction form
    39,012.84/58,649.74 = 30,791.95/x
  3. Step 3: Cross multiply
    39,012.84x = 58,649.74 × 30,791.95
  4. Step 4: Simplify right side
    39,012.84x = 1,805,939,637.99
  5. Step 5: Solve for x
    x = 1,805,939,637.99/39,012.84
  6. Step 6: Final answer
    x = 46,290.90

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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.