Home / 65,742.52-98,629.32-21,369.28

Finding the Fourth Proportional to 65,742.52, 98,629.32 and 21,369.28

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Solution

The fourth proportional to 65,742.52, 98,629.32 and 21,369.28 is: 32,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,742.52 : 98,629.32 = 21,369.28 : x
  2. Step 2: Convert to fraction form
    65,742.52/98,629.32 = 21,369.28/x
  3. Step 3: Cross multiply
    65,742.52x = 98,629.32 × 21,369.28
  4. Step 4: Simplify right side
    65,742.52x = 2,107,637,555.29
  5. Step 5: Solve for x
    x = 2,107,637,555.29/65,742.52
  6. Step 6: Final answer
    x = 32,058.97

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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.