Home / 36,368.87-50,188.90-20,453.31

Finding the Fourth Proportional to 36,368.87, 50,188.90 and 20,453.31

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Solution

The fourth proportional to 36,368.87, 50,188.90 and 20,453.31 is: 28,225.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,368.87 : 50,188.90 = 20,453.31 : x
  2. Step 2: Convert to fraction form
    36,368.87/50,188.90 = 20,453.31/x
  3. Step 3: Cross multiply
    36,368.87x = 50,188.90 × 20,453.31
  4. Step 4: Simplify right side
    36,368.87x = 1,026,529,117.48
  5. Step 5: Solve for x
    x = 1,026,529,117.48/36,368.87
  6. Step 6: Final answer
    x = 28,225.49

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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.