Home / 65,661.24-98,483.64-18,279.90

Finding the Fourth Proportional to 65,661.24, 98,483.64 and 18,279.90

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Solution

The fourth proportional to 65,661.24, 98,483.64 and 18,279.90 is: 27,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,661.24 : 98,483.64 = 18,279.90 : x
  2. Step 2: Convert to fraction form
    65,661.24/98,483.64 = 18,279.90/x
  3. Step 3: Cross multiply
    65,661.24x = 98,483.64 × 18,279.90
  4. Step 4: Simplify right side
    65,661.24x = 1,800,271,090.84
  5. Step 5: Solve for x
    x = 1,800,271,090.84/65,661.24
  6. Step 6: Final answer
    x = 27,417.56

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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.