Home / 55,192.83-82,739.32-20,124.28

Finding the Fourth Proportional to 55,192.83, 82,739.32 and 20,124.28

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Solution

The fourth proportional to 55,192.83, 82,739.32 and 20,124.28 is: 30,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192.83 : 82,739.32 = 20,124.28 : x
  2. Step 2: Convert to fraction form
    55,192.83/82,739.32 = 20,124.28/x
  3. Step 3: Cross multiply
    55,192.83x = 82,739.32 × 20,124.28
  4. Step 4: Simplify right side
    55,192.83x = 1,665,069,142.07
  5. Step 5: Solve for x
    x = 1,665,069,142.07/55,192.83
  6. Step 6: Final answer
    x = 30,168.22

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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.