Home / 65,865.64-98,798.53-30,829.90

Finding the Fourth Proportional to 65,865.64, 98,798.53 and 30,829.90

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Solution

The fourth proportional to 65,865.64, 98,798.53 and 30,829.90 is: 46,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,865.64 : 98,798.53 = 30,829.90 : x
  2. Step 2: Convert to fraction form
    65,865.64/98,798.53 = 30,829.90/x
  3. Step 3: Cross multiply
    65,865.64x = 98,798.53 × 30,829.90
  4. Step 4: Simplify right side
    65,865.64x = 3,045,948,800.05
  5. Step 5: Solve for x
    x = 3,045,948,800.05/65,865.64
  6. Step 6: Final answer
    x = 46,244.88

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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.