Home / 51,000.23-76,500.25-13,560.31

Finding the Fourth Proportional to 51,000.23, 76,500.25 and 13,560.31

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Solution

The fourth proportional to 51,000.23, 76,500.25 and 13,560.31 is: 20,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.23 : 76,500.25 = 13,560.31 : x
  2. Step 2: Convert to fraction form
    51,000.23/76,500.25 = 13,560.31/x
  3. Step 3: Cross multiply
    51,000.23x = 76,500.25 × 13,560.31
  4. Step 4: Simplify right side
    51,000.23x = 1,037,367,166.80
  5. Step 5: Solve for x
    x = 1,037,367,166.80/51,000.23
  6. Step 6: Final answer
    x = 20,340.44

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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.