Home / 51,463.20-71,019.84-28,803.60

Finding the Fourth Proportional to 51,463.20, 71,019.84 and 28,803.60

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Solution

The fourth proportional to 51,463.20, 71,019.84 and 28,803.60 is: 39,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,463.20 : 71,019.84 = 28,803.60 : x
  2. Step 2: Convert to fraction form
    51,463.20/71,019.84 = 28,803.60/x
  3. Step 3: Cross multiply
    51,463.20x = 71,019.84 × 28,803.60
  4. Step 4: Simplify right side
    51,463.20x = 2,045,627,063.42
  5. Step 5: Solve for x
    x = 2,045,627,063.42/51,463.20
  6. Step 6: Final answer
    x = 39,749.32

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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.