Home / 34,112.08-51,128-13,038.24

Finding the Fourth Proportional to 34,112.08, 51,128 and 13,038.24

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Solution

The fourth proportional to 34,112.08, 51,128 and 13,038.24 is: 19,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,112.08 : 51,128 = 13,038.24 : x
  2. Step 2: Convert to fraction form
    34,112.08/51,128 = 13,038.24/x
  3. Step 3: Cross multiply
    34,112.08x = 51,128 × 13,038.24
  4. Step 4: Simplify right side
    34,112.08x = 666,619,134.72
  5. Step 5: Solve for x
    x = 666,619,134.72/34,112.08
  6. Step 6: Final answer
    x = 19,542.03

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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.