Home / 48,525.20-72,756.30-18,946.10

Finding the Fourth Proportional to 48,525.20, 72,756.30 and 18,946.10

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Solution

The fourth proportional to 48,525.20, 72,756.30 and 18,946.10 is: 28,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,525.20 : 72,756.30 = 18,946.10 : x
  2. Step 2: Convert to fraction form
    48,525.20/72,756.30 = 18,946.10/x
  3. Step 3: Cross multiply
    48,525.20x = 72,756.30 × 18,946.10
  4. Step 4: Simplify right side
    48,525.20x = 1,378,448,135.43
  5. Step 5: Solve for x
    x = 1,378,448,135.43/48,525.20
  6. Step 6: Final answer
    x = 28,406.85

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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.