Home / 55,395.36-82,998.51-30,456.30

Finding the Fourth Proportional to 55,395.36, 82,998.51 and 30,456.30

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Solution

The fourth proportional to 55,395.36, 82,998.51 and 30,456.30 is: 45,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,395.36 : 82,998.51 = 30,456.30 : x
  2. Step 2: Convert to fraction form
    55,395.36/82,998.51 = 30,456.30/x
  3. Step 3: Cross multiply
    55,395.36x = 82,998.51 × 30,456.30
  4. Step 4: Simplify right side
    55,395.36x = 2,527,827,520.11
  5. Step 5: Solve for x
    x = 2,527,827,520.11/55,395.36
  6. Step 6: Final answer
    x = 45,632.48

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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.