Home / 39,109-58,664.46-14,151.40

Finding the Fourth Proportional to 39,109, 58,664.46 and 14,151.40

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Solution

The fourth proportional to 39,109, 58,664.46 and 14,151.40 is: 21,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,109 : 58,664.46 = 14,151.40 : x
  2. Step 2: Convert to fraction form
    39,109/58,664.46 = 14,151.40/x
  3. Step 3: Cross multiply
    39,109x = 58,664.46 × 14,151.40
  4. Step 4: Simplify right side
    39,109x = 830,184,239.24
  5. Step 5: Solve for x
    x = 830,184,239.24/39,109
  6. Step 6: Final answer
    x = 21,227.45

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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.