Home / 39,126.35-58,683.26-12,468.87

Finding the Fourth Proportional to 39,126.35, 58,683.26 and 12,468.87

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Solution

The fourth proportional to 39,126.35, 58,683.26 and 12,468.87 is: 18,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,126.35 : 58,683.26 = 12,468.87 : x
  2. Step 2: Convert to fraction form
    39,126.35/58,683.26 = 12,468.87/x
  3. Step 3: Cross multiply
    39,126.35x = 58,683.26 × 12,468.87
  4. Step 4: Simplify right side
    39,126.35x = 731,713,877.77
  5. Step 5: Solve for x
    x = 731,713,877.77/39,126.35
  6. Step 6: Final answer
    x = 18,701.31

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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.