Home / 34,138.86-51,215.85-14,434.26

Finding the Fourth Proportional to 34,138.86, 51,215.85 and 14,434.26

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Solution

The fourth proportional to 34,138.86, 51,215.85 and 14,434.26 is: 21,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,138.86 : 51,215.85 = 14,434.26 : x
  2. Step 2: Convert to fraction form
    34,138.86/51,215.85 = 14,434.26/x
  3. Step 3: Cross multiply
    34,138.86x = 51,215.85 × 14,434.26
  4. Step 4: Simplify right side
    34,138.86x = 739,262,895.02
  5. Step 5: Solve for x
    x = 739,262,895.02/34,138.86
  6. Step 6: Final answer
    x = 21,654.59

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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.