Home / 65,464.89-98,197.35-18,717.76

Finding the Fourth Proportional to 65,464.89, 98,197.35 and 18,717.76

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Solution

The fourth proportional to 65,464.89, 98,197.35 and 18,717.76 is: 28,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,464.89 : 98,197.35 = 18,717.76 : x
  2. Step 2: Convert to fraction form
    65,464.89/98,197.35 = 18,717.76/x
  3. Step 3: Cross multiply
    65,464.89x = 98,197.35 × 18,717.76
  4. Step 4: Simplify right side
    65,464.89x = 1,838,034,429.94
  5. Step 5: Solve for x
    x = 1,838,034,429.94/65,464.89
  6. Step 6: Final answer
    x = 28,076.64

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1.5x scale

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.