Home / 65,406.20-98,167.62-30,365.60

Finding the Fourth Proportional to 65,406.20, 98,167.62 and 30,365.60

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Solution

The fourth proportional to 65,406.20, 98,167.62 and 30,365.60 is: 45,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,406.20 : 98,167.62 = 30,365.60 : x
  2. Step 2: Convert to fraction form
    65,406.20/98,167.62 = 30,365.60/x
  3. Step 3: Cross multiply
    65,406.20x = 98,167.62 × 30,365.60
  4. Step 4: Simplify right side
    65,406.20x = 2,980,918,681.87
  5. Step 5: Solve for x
    x = 2,980,918,681.87/65,406.20
  6. Step 6: Final answer
    x = 45,575.48

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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.