Home / 65,240.12-97,860.18-25,815.80

Finding the Fourth Proportional to 65,240.12, 97,860.18 and 25,815.80

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Solution

The fourth proportional to 65,240.12, 97,860.18 and 25,815.80 is: 38,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,240.12 : 97,860.18 = 25,815.80 : x
  2. Step 2: Convert to fraction form
    65,240.12/97,860.18 = 25,815.80/x
  3. Step 3: Cross multiply
    65,240.12x = 97,860.18 × 25,815.80
  4. Step 4: Simplify right side
    65,240.12x = 2,526,338,834.84
  5. Step 5: Solve for x
    x = 2,526,338,834.84/65,240.12
  6. Step 6: Final answer
    x = 38,723.70

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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.