Home / 36,436.10-50,280.89-20,520.68

Finding the Fourth Proportional to 36,436.10, 50,280.89 and 20,520.68

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Solution

The fourth proportional to 36,436.10, 50,280.89 and 20,520.68 is: 28,318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,436.10 : 50,280.89 = 20,520.68 : x
  2. Step 2: Convert to fraction form
    36,436.10/50,280.89 = 20,520.68/x
  3. Step 3: Cross multiply
    36,436.10x = 50,280.89 × 20,520.68
  4. Step 4: Simplify right side
    36,436.10x = 1,031,797,699.80
  5. Step 5: Solve for x
    x = 1,031,797,699.80/36,436.10
  6. Step 6: Final answer
    x = 28,318.01

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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.