Home / 39,260.70-58,887.81-12,958.38

Finding the Fourth Proportional to 39,260.70, 58,887.81 and 12,958.38

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Solution

The fourth proportional to 39,260.70, 58,887.81 and 12,958.38 is: 19,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,260.70 : 58,887.81 = 12,958.38 : x
  2. Step 2: Convert to fraction form
    39,260.70/58,887.81 = 12,958.38/x
  3. Step 3: Cross multiply
    39,260.70x = 58,887.81 × 12,958.38
  4. Step 4: Simplify right side
    39,260.70x = 763,090,619.35
  5. Step 5: Solve for x
    x = 763,090,619.35/39,260.70
  6. Step 6: Final answer
    x = 19,436.50

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1.5x scale

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.