Home / 51,408.54-70,950.39-28,748.80

Finding the Fourth Proportional to 51,408.54, 70,950.39 and 28,748.80

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Solution

The fourth proportional to 51,408.54, 70,950.39 and 28,748.80 is: 39,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,408.54 : 70,950.39 = 28,748.80 : x
  2. Step 2: Convert to fraction form
    51,408.54/70,950.39 = 28,748.80/x
  3. Step 3: Cross multiply
    51,408.54x = 70,950.39 × 28,748.80
  4. Step 4: Simplify right side
    51,408.54x = 2,039,738,572.03
  5. Step 5: Solve for x
    x = 2,039,738,572.03/51,408.54
  6. Step 6: Final answer
    x = 39,677.04

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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.