Home / 43,009.26-64,521.46-19,638.06

Finding the Fourth Proportional to 43,009.26, 64,521.46 and 19,638.06

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Solution

The fourth proportional to 43,009.26, 64,521.46 and 19,638.06 is: 29,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,009.26 : 64,521.46 = 19,638.06 : x
  2. Step 2: Convert to fraction form
    43,009.26/64,521.46 = 19,638.06/x
  3. Step 3: Cross multiply
    43,009.26x = 64,521.46 × 19,638.06
  4. Step 4: Simplify right side
    43,009.26x = 1,267,076,204.58
  5. Step 5: Solve for x
    x = 1,267,076,204.58/43,009.26
  6. Step 6: Final answer
    x = 29,460.54

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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.