Home / 34,302.31-51,455.49-13,242.49

Finding the Fourth Proportional to 34,302.31, 51,455.49 and 13,242.49

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Solution

The fourth proportional to 34,302.31, 51,455.49 and 13,242.49 is: 19,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,302.31 : 51,455.49 = 13,242.49 : x
  2. Step 2: Convert to fraction form
    34,302.31/51,455.49 = 13,242.49/x
  3. Step 3: Cross multiply
    34,302.31x = 51,455.49 × 13,242.49
  4. Step 4: Simplify right side
    34,302.31x = 681,398,811.77
  5. Step 5: Solve for x
    x = 681,398,811.77/34,302.31
  6. Step 6: Final answer
    x = 19,864.52

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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.