Home / 36,815.04-50,803.20-20,900.70

Finding the Fourth Proportional to 36,815.04, 50,803.20 and 20,900.70

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Solution

The fourth proportional to 36,815.04, 50,803.20 and 20,900.70 is: 28,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.04 : 50,803.20 = 20,900.70 : x
  2. Step 2: Convert to fraction form
    36,815.04/50,803.20 = 20,900.70/x
  3. Step 3: Cross multiply
    36,815.04x = 50,803.20 × 20,900.70
  4. Step 4: Simplify right side
    36,815.04x = 1,061,822,442.24
  5. Step 5: Solve for x
    x = 1,061,822,442.24/36,815.04
  6. Step 6: Final answer
    x = 28,842.08

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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.