Home / 65,400.14-98,032.16-30,310.94

Finding the Fourth Proportional to 65,400.14, 98,032.16 and 30,310.94

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Solution

The fourth proportional to 65,400.14, 98,032.16 and 30,310.94 is: 45,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,400.14 : 98,032.16 = 30,310.94 : x
  2. Step 2: Convert to fraction form
    65,400.14/98,032.16 = 30,310.94/x
  3. Step 3: Cross multiply
    65,400.14x = 98,032.16 × 30,310.94
  4. Step 4: Simplify right side
    65,400.14x = 2,971,446,919.83
  5. Step 5: Solve for x
    x = 2,971,446,919.83/65,400.14
  6. Step 6: Final answer
    x = 45,434.87

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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.