Home / 39,486.94-54,460.63-29,828.63

Finding the Fourth Proportional to 39,486.94, 54,460.63 and 29,828.63

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Solution

The fourth proportional to 39,486.94, 54,460.63 and 29,828.63 is: 41,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,486.94 : 54,460.63 = 29,828.63 : x
  2. Step 2: Convert to fraction form
    39,486.94/54,460.63 = 29,828.63/x
  3. Step 3: Cross multiply
    39,486.94x = 54,460.63 × 29,828.63
  4. Step 4: Simplify right side
    39,486.94x = 1,624,485,918.21
  5. Step 5: Solve for x
    x = 1,624,485,918.21/39,486.94
  6. Step 6: Final answer
    x = 41,139.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.