Home / 36,317.78-50,123.58-20,403.44

Finding the Fourth Proportional to 36,317.78, 50,123.58 and 20,403.44

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Solution

The fourth proportional to 36,317.78, 50,123.58 and 20,403.44 is: 28,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,317.78 : 50,123.58 = 20,403.44 : x
  2. Step 2: Convert to fraction form
    36,317.78/50,123.58 = 20,403.44/x
  3. Step 3: Cross multiply
    36,317.78x = 50,123.58 × 20,403.44
  4. Step 4: Simplify right side
    36,317.78x = 1,022,693,457.12
  5. Step 5: Solve for x
    x = 1,022,693,457.12/36,317.78
  6. Step 6: Final answer
    x = 28,159.58

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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.