Home / 36,281.25-54,421.88-12,907.76

Finding the Fourth Proportional to 36,281.25, 54,421.88 and 12,907.76

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Solution

The fourth proportional to 36,281.25, 54,421.88 and 12,907.76 is: 19,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.25 : 54,421.88 = 12,907.76 : x
  2. Step 2: Convert to fraction form
    36,281.25/54,421.88 = 12,907.76/x
  3. Step 3: Cross multiply
    36,281.25x = 54,421.88 × 12,907.76
  4. Step 4: Simplify right side
    36,281.25x = 702,464,229.14
  5. Step 5: Solve for x
    x = 702,464,229.14/36,281.25
  6. Step 6: Final answer
    x = 19,361.63

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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.