Home / 53,305.34-79,928.64-21,707.33

Finding the Fourth Proportional to 53,305.34, 79,928.64 and 21,707.33

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Solution

The fourth proportional to 53,305.34, 79,928.64 and 21,707.33 is: 32,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,305.34 : 79,928.64 = 21,707.33 : x
  2. Step 2: Convert to fraction form
    53,305.34/79,928.64 = 21,707.33/x
  3. Step 3: Cross multiply
    53,305.34x = 79,928.64 × 21,707.33
  4. Step 4: Simplify right side
    53,305.34x = 1,735,036,965.29
  5. Step 5: Solve for x
    x = 1,735,036,965.29/53,305.34
  6. Step 6: Final answer
    x = 32,549.03

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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.