Home / 51,480.25-71,043.95-28,818.67

Finding the Fourth Proportional to 51,480.25, 71,043.95 and 28,818.67

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Solution

The fourth proportional to 51,480.25, 71,043.95 and 28,818.67 is: 39,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,480.25 : 71,043.95 = 28,818.67 : x
  2. Step 2: Convert to fraction form
    51,480.25/71,043.95 = 28,818.67/x
  3. Step 3: Cross multiply
    51,480.25x = 71,043.95 × 28,818.67
  4. Step 4: Simplify right side
    51,480.25x = 2,047,392,150.55
  5. Step 5: Solve for x
    x = 2,047,392,150.55/51,480.25
  6. Step 6: Final answer
    x = 39,770.44

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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.