Home / 39,134.81-58,702.22-18,358.31

Finding the Fourth Proportional to 39,134.81, 58,702.22 and 18,358.31

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Solution

The fourth proportional to 39,134.81, 58,702.22 and 18,358.31 is: 27,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,134.81 : 58,702.22 = 18,358.31 : x
  2. Step 2: Convert to fraction form
    39,134.81/58,702.22 = 18,358.31/x
  3. Step 3: Cross multiply
    39,134.81x = 58,702.22 × 18,358.31
  4. Step 4: Simplify right side
    39,134.81x = 1,077,673,676.26
  5. Step 5: Solve for x
    x = 1,077,673,676.26/39,134.81
  6. Step 6: Final answer
    x = 27,537.47

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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.