Home / 35,412.31-53,081.28-17,845.30

Finding the Fourth Proportional to 35,412.31, 53,081.28 and 17,845.30

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Solution

The fourth proportional to 35,412.31, 53,081.28 and 17,845.30 is: 26,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.31 : 53,081.28 = 17,845.30 : x
  2. Step 2: Convert to fraction form
    35,412.31/53,081.28 = 17,845.30/x
  3. Step 3: Cross multiply
    35,412.31x = 53,081.28 × 17,845.30
  4. Step 4: Simplify right side
    35,412.31x = 947,251,365.98
  5. Step 5: Solve for x
    x = 947,251,365.98/35,412.31
  6. Step 6: Final answer
    x = 26,749.21

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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.