Home / 45,484.74-68,250.33-18,850.86

Finding the Fourth Proportional to 45,484.74, 68,250.33 and 18,850.86

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Solution

The fourth proportional to 45,484.74, 68,250.33 and 18,850.86 is: 28,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,484.74 : 68,250.33 = 18,850.86 : x
  2. Step 2: Convert to fraction form
    45,484.74/68,250.33 = 18,850.86/x
  3. Step 3: Cross multiply
    45,484.74x = 68,250.33 × 18,850.86
  4. Step 4: Simplify right side
    45,484.74x = 1,286,577,415.78
  5. Step 5: Solve for x
    x = 1,286,577,415.78/45,484.74
  6. Step 6: Final answer
    x = 28,285.91

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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.