Home / 36,400.50-50,237.37-20,488.05

Finding the Fourth Proportional to 36,400.50, 50,237.37 and 20,488.05

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Solution

The fourth proportional to 36,400.50, 50,237.37 and 20,488.05 is: 28,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,400.50 : 50,237.37 = 20,488.05 : x
  2. Step 2: Convert to fraction form
    36,400.50/50,237.37 = 20,488.05/x
  3. Step 3: Cross multiply
    36,400.50x = 50,237.37 × 20,488.05
  4. Step 4: Simplify right side
    36,400.50x = 1,029,265,748.43
  5. Step 5: Solve for x
    x = 1,029,265,748.43/36,400.50
  6. Step 6: Final answer
    x = 28,276.14

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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.