Home / 39,105.56-58,666.87-14,143.00

Finding the Fourth Proportional to 39,105.56, 58,666.87 and 14,143.00

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Solution

The fourth proportional to 39,105.56, 58,666.87 and 14,143.00 is: 21,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,105.56 : 58,666.87 = 14,143.00 : x
  2. Step 2: Convert to fraction form
    39,105.56/58,666.87 = 14,143.00/x
  3. Step 3: Cross multiply
    39,105.56x = 58,666.87 × 14,143.00
  4. Step 4: Simplify right side
    39,105.56x = 829,725,431.10
  5. Step 5: Solve for x
    x = 829,725,431.10/39,105.56
  6. Step 6: Final answer
    x = 21,217.58

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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.