Home / 65,890.64-98,835.92-30,869.44

Finding the Fourth Proportional to 65,890.64, 98,835.92 and 30,869.44

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Solution

The fourth proportional to 65,890.64, 98,835.92 and 30,869.44 is: 46,304.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,890.64 : 98,835.92 = 30,869.44 : x
  2. Step 2: Convert to fraction form
    65,890.64/98,835.92 = 30,869.44/x
  3. Step 3: Cross multiply
    65,890.64x = 98,835.92 × 30,869.44
  4. Step 4: Simplify right side
    65,890.64x = 3,051,009,502.28
  5. Step 5: Solve for x
    x = 3,051,009,502.28/65,890.64
  6. Step 6: Final answer
    x = 46,304.14

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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.