Home / 36,318.42-50,116.73-20,405.52

Finding the Fourth Proportional to 36,318.42, 50,116.73 and 20,405.52

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Solution

The fourth proportional to 36,318.42, 50,116.73 and 20,405.52 is: 28,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,318.42 : 50,116.73 = 20,405.52 : x
  2. Step 2: Convert to fraction form
    36,318.42/50,116.73 = 20,405.52/x
  3. Step 3: Cross multiply
    36,318.42x = 50,116.73 × 20,405.52
  4. Step 4: Simplify right side
    36,318.42x = 1,022,657,834.32
  5. Step 5: Solve for x
    x = 1,022,657,834.32/36,318.42
  6. Step 6: Final answer
    x = 28,158.10

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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.