Home / 43,745.80-65,618.70-30,332.20

Finding the Fourth Proportional to 43,745.80, 65,618.70 and 30,332.20

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Solution

The fourth proportional to 43,745.80, 65,618.70 and 30,332.20 is: 45,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,745.80 : 65,618.70 = 30,332.20 : x
  2. Step 2: Convert to fraction form
    43,745.80/65,618.70 = 30,332.20/x
  3. Step 3: Cross multiply
    43,745.80x = 65,618.70 × 30,332.20
  4. Step 4: Simplify right side
    43,745.80x = 1,990,359,532.14
  5. Step 5: Solve for x
    x = 1,990,359,532.14/43,745.80
  6. Step 6: Final answer
    x = 45,498.30

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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.