Home / 65,078.28-97,616.16-30,017.88

Finding the Fourth Proportional to 65,078.28, 97,616.16 and 30,017.88

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Solution

The fourth proportional to 65,078.28, 97,616.16 and 30,017.88 is: 45,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,078.28 : 97,616.16 = 30,017.88 : x
  2. Step 2: Convert to fraction form
    65,078.28/97,616.16 = 30,017.88/x
  3. Step 3: Cross multiply
    65,078.28x = 97,616.16 × 30,017.88
  4. Step 4: Simplify right side
    65,078.28x = 2,930,230,176.94
  5. Step 5: Solve for x
    x = 2,930,230,176.94/65,078.28
  6. Step 6: Final answer
    x = 45,026.24

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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.