Home / 65,243.28-97,839.88-27,779.60

Finding the Fourth Proportional to 65,243.28, 97,839.88 and 27,779.60

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Solution

The fourth proportional to 65,243.28, 97,839.88 and 27,779.60 is: 41,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,243.28 : 97,839.88 = 27,779.60 : x
  2. Step 2: Convert to fraction form
    65,243.28/97,839.88 = 27,779.60/x
  3. Step 3: Cross multiply
    65,243.28x = 97,839.88 × 27,779.60
  4. Step 4: Simplify right side
    65,243.28x = 2,717,952,730.45
  5. Step 5: Solve for x
    x = 2,717,952,730.45/65,243.28
  6. Step 6: Final answer
    x = 41,658.74

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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.