Home / 65,701.19-98,567.27-21,324.53

Finding the Fourth Proportional to 65,701.19, 98,567.27 and 21,324.53

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Solution

The fourth proportional to 65,701.19, 98,567.27 and 21,324.53 is: 31,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,701.19 : 98,567.27 = 21,324.53 : x
  2. Step 2: Convert to fraction form
    65,701.19/98,567.27 = 21,324.53/x
  3. Step 3: Cross multiply
    65,701.19x = 98,567.27 × 21,324.53
  4. Step 4: Simplify right side
    65,701.19x = 2,101,901,005.86
  5. Step 5: Solve for x
    x = 2,101,901,005.86/65,701.19
  6. Step 6: Final answer
    x = 31,991.82

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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.