Home / 65,205.09-97,815.83-18,457.95

Finding the Fourth Proportional to 65,205.09, 97,815.83 and 18,457.95

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Solution

The fourth proportional to 65,205.09, 97,815.83 and 18,457.95 is: 27,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,205.09 : 97,815.83 = 18,457.95 : x
  2. Step 2: Convert to fraction form
    65,205.09/97,815.83 = 18,457.95/x
  3. Step 3: Cross multiply
    65,205.09x = 97,815.83 × 18,457.95
  4. Step 4: Simplify right side
    65,205.09x = 1,805,479,607.06
  5. Step 5: Solve for x
    x = 1,805,479,607.06/65,205.09
  6. Step 6: Final answer
    x = 27,689.24

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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.