Home / 36,490.55-50,358.37-20,574.65

Finding the Fourth Proportional to 36,490.55, 50,358.37 and 20,574.65

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Solution

The fourth proportional to 36,490.55, 50,358.37 and 20,574.65 is: 28,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.55 : 50,358.37 = 20,574.65 : x
  2. Step 2: Convert to fraction form
    36,490.55/50,358.37 = 20,574.65/x
  3. Step 3: Cross multiply
    36,490.55x = 50,358.37 × 20,574.65
  4. Step 4: Simplify right side
    36,490.55x = 1,036,105,911.78
  5. Step 5: Solve for x
    x = 1,036,105,911.78/36,490.55
  6. Step 6: Final answer
    x = 28,393.82

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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.