Home / 34,155.56-51,238.64-14,434.20

Finding the Fourth Proportional to 34,155.56, 51,238.64 and 14,434.20

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Solution

The fourth proportional to 34,155.56, 51,238.64 and 14,434.20 is: 21,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,155.56 : 51,238.64 = 14,434.20 : x
  2. Step 2: Convert to fraction form
    34,155.56/51,238.64 = 14,434.20/x
  3. Step 3: Cross multiply
    34,155.56x = 51,238.64 × 14,434.20
  4. Step 4: Simplify right side
    34,155.56x = 739,588,777.49
  5. Step 5: Solve for x
    x = 739,588,777.49/34,155.56
  6. Step 6: Final answer
    x = 21,653.54

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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.