Home / 51,216.20-76,818.54-20,043.08

Finding the Fourth Proportional to 51,216.20, 76,818.54 and 20,043.08

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Solution

The fourth proportional to 51,216.20, 76,818.54 and 20,043.08 is: 30,062.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.20 : 76,818.54 = 20,043.08 : x
  2. Step 2: Convert to fraction form
    51,216.20/76,818.54 = 20,043.08/x
  3. Step 3: Cross multiply
    51,216.20x = 76,818.54 × 20,043.08
  4. Step 4: Simplify right side
    51,216.20x = 1,539,680,142.70
  5. Step 5: Solve for x
    x = 1,539,680,142.70/51,216.20
  6. Step 6: Final answer
    x = 30,062.37

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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.