Home / 38,903.63-58,363.09-13,936.95

Finding the Fourth Proportional to 38,903.63, 58,363.09 and 13,936.95

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Solution

The fourth proportional to 38,903.63, 58,363.09 and 13,936.95 is: 20,908.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,903.63 : 58,363.09 = 13,936.95 : x
  2. Step 2: Convert to fraction form
    38,903.63/58,363.09 = 13,936.95/x
  3. Step 3: Cross multiply
    38,903.63x = 58,363.09 × 13,936.95
  4. Step 4: Simplify right side
    38,903.63x = 813,403,647.93
  5. Step 5: Solve for x
    x = 813,403,647.93/38,903.63
  6. Step 6: Final answer
    x = 20,908.17

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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.