Home / 45,465.09-68,197.47-20,475.87

Finding the Fourth Proportional to 45,465.09, 68,197.47 and 20,475.87

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Solution

The fourth proportional to 45,465.09, 68,197.47 and 20,475.87 is: 30,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,465.09 : 68,197.47 = 20,475.87 : x
  2. Step 2: Convert to fraction form
    45,465.09/68,197.47 = 20,475.87/x
  3. Step 3: Cross multiply
    45,465.09x = 68,197.47 × 20,475.87
  4. Step 4: Simplify right side
    45,465.09x = 1,396,402,530.05
  5. Step 5: Solve for x
    x = 1,396,402,530.05/45,465.09
  6. Step 6: Final answer
    x = 30,713.73

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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.