Home / 36,503.65-50,385.81-21,399.58

Finding the Fourth Proportional to 36,503.65, 50,385.81 and 21,399.58

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Solution

The fourth proportional to 36,503.65, 50,385.81 and 21,399.58 is: 29,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,503.65 : 50,385.81 = 21,399.58 : x
  2. Step 2: Convert to fraction form
    36,503.65/50,385.81 = 21,399.58/x
  3. Step 3: Cross multiply
    36,503.65x = 50,385.81 × 21,399.58
  4. Step 4: Simplify right side
    36,503.65x = 1,078,235,171.96
  5. Step 5: Solve for x
    x = 1,078,235,171.96/36,503.65
  6. Step 6: Final answer
    x = 29,537.74

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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.