Home / 53,001.25-79,538.33-21,836.50

Finding the Fourth Proportional to 53,001.25, 79,538.33 and 21,836.50

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Solution

The fourth proportional to 53,001.25, 79,538.33 and 21,836.50 is: 32,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.25 : 79,538.33 = 21,836.50 : x
  2. Step 2: Convert to fraction form
    53,001.25/79,538.33 = 21,836.50/x
  3. Step 3: Cross multiply
    53,001.25x = 79,538.33 × 21,836.50
  4. Step 4: Simplify right side
    53,001.25x = 1,736,838,743.05
  5. Step 5: Solve for x
    x = 1,736,838,743.05/53,001.25
  6. Step 6: Final answer
    x = 32,769.77

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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.