Home / 45,429.12-68,109.66-30,596.40

Finding the Fourth Proportional to 45,429.12, 68,109.66 and 30,596.40

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Solution

The fourth proportional to 45,429.12, 68,109.66 and 30,596.40 is: 45,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,429.12 : 68,109.66 = 30,596.40 : x
  2. Step 2: Convert to fraction form
    45,429.12/68,109.66 = 30,596.40/x
  3. Step 3: Cross multiply
    45,429.12x = 68,109.66 × 30,596.40
  4. Step 4: Simplify right side
    45,429.12x = 2,083,910,401.22
  5. Step 5: Solve for x
    x = 2,083,910,401.22/45,429.12
  6. Step 6: Final answer
    x = 45,871.69

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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.