Home / 53,298.87-79,901.25-21,735.33

Finding the Fourth Proportional to 53,298.87, 79,901.25 and 21,735.33

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Solution

The fourth proportional to 53,298.87, 79,901.25 and 21,735.33 is: 32,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,298.87 : 79,901.25 = 21,735.33 : x
  2. Step 2: Convert to fraction form
    53,298.87/79,901.25 = 21,735.33/x
  3. Step 3: Cross multiply
    53,298.87x = 79,901.25 × 21,735.33
  4. Step 4: Simplify right side
    53,298.87x = 1,736,680,036.16
  5. Step 5: Solve for x
    x = 1,736,680,036.16/53,298.87
  6. Step 6: Final answer
    x = 32,583.81

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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.