Home / 55,303.32-82,940.30-20,243.24

Finding the Fourth Proportional to 55,303.32, 82,940.30 and 20,243.24

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Solution

The fourth proportional to 55,303.32, 82,940.30 and 20,243.24 is: 30,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,303.32 : 82,940.30 = 20,243.24 : x
  2. Step 2: Convert to fraction form
    55,303.32/82,940.30 = 20,243.24/x
  3. Step 3: Cross multiply
    55,303.32x = 82,940.30 × 20,243.24
  4. Step 4: Simplify right side
    55,303.32x = 1,678,980,398.57
  5. Step 5: Solve for x
    x = 1,678,980,398.57/55,303.32
  6. Step 6: Final answer
    x = 30,359.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.