Home / 43,243.84-64,864.02-13,663.36

Finding the Fourth Proportional to 43,243.84, 64,864.02 and 13,663.36

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Solution

The fourth proportional to 43,243.84, 64,864.02 and 13,663.36 is: 20,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,243.84 : 64,864.02 = 13,663.36 : x
  2. Step 2: Convert to fraction form
    43,243.84/64,864.02 = 13,663.36/x
  3. Step 3: Cross multiply
    43,243.84x = 64,864.02 × 13,663.36
  4. Step 4: Simplify right side
    43,243.84x = 886,260,456.31
  5. Step 5: Solve for x
    x = 886,260,456.31/43,243.84
  6. Step 6: Final answer
    x = 20,494.49

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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.