Home / 45,133.38-67,759.20-30,235.86

Finding the Fourth Proportional to 45,133.38, 67,759.20 and 30,235.86

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Solution

The fourth proportional to 45,133.38, 67,759.20 and 30,235.86 is: 45,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,133.38 : 67,759.20 = 30,235.86 : x
  2. Step 2: Convert to fraction form
    45,133.38/67,759.20 = 30,235.86/x
  3. Step 3: Cross multiply
    45,133.38x = 67,759.20 × 30,235.86
  4. Step 4: Simplify right side
    45,133.38x = 2,048,757,684.91
  5. Step 5: Solve for x
    x = 2,048,757,684.91/45,133.38
  6. Step 6: Final answer
    x = 45,393.40

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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.