Home / 36,490.32-50,356.58-20,574.68

Finding the Fourth Proportional to 36,490.32, 50,356.58 and 20,574.68

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Solution

The fourth proportional to 36,490.32, 50,356.58 and 20,574.68 is: 28,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.32 : 50,356.58 = 20,574.68 : x
  2. Step 2: Convert to fraction form
    36,490.32/50,356.58 = 20,574.68/x
  3. Step 3: Cross multiply
    36,490.32x = 50,356.58 × 20,574.68
  4. Step 4: Simplify right side
    36,490.32x = 1,036,070,519.39
  5. Step 5: Solve for x
    x = 1,036,070,519.39/36,490.32
  6. Step 6: Final answer
    x = 28,393.02

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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.