Home / 39,486.69-54,456.35-32,761.67

Finding the Fourth Proportional to 39,486.69, 54,456.35 and 32,761.67

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Solution

The fourth proportional to 39,486.69, 54,456.35 and 32,761.67 is: 45,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,486.69 : 54,456.35 = 32,761.67 : x
  2. Step 2: Convert to fraction form
    39,486.69/54,456.35 = 32,761.67/x
  3. Step 3: Cross multiply
    39,486.69x = 54,456.35 × 32,761.67
  4. Step 4: Simplify right side
    39,486.69x = 1,784,080,532.01
  5. Step 5: Solve for x
    x = 1,784,080,532.01/39,486.69
  6. Step 6: Final answer
    x = 45,181.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.