Home / 36,317.63-50,123.00-20,402.10

Finding the Fourth Proportional to 36,317.63, 50,123.00 and 20,402.10

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Solution

The fourth proportional to 36,317.63, 50,123.00 and 20,402.10 is: 28,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,317.63 : 50,123.00 = 20,402.10 : x
  2. Step 2: Convert to fraction form
    36,317.63/50,123.00 = 20,402.10/x
  3. Step 3: Cross multiply
    36,317.63x = 50,123.00 × 20,402.10
  4. Step 4: Simplify right side
    36,317.63x = 1,022,614,509.31
  5. Step 5: Solve for x
    x = 1,022,614,509.31/36,317.63
  6. Step 6: Final answer
    x = 28,157.52

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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.