Home / 55,336.30-82,895.10-30,331.60

Finding the Fourth Proportional to 55,336.30, 82,895.10 and 30,331.60

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Solution

The fourth proportional to 55,336.30, 82,895.10 and 30,331.60 is: 45,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,336.30 : 82,895.10 = 30,331.60 : x
  2. Step 2: Convert to fraction form
    55,336.30/82,895.10 = 30,331.60/x
  3. Step 3: Cross multiply
    55,336.30x = 82,895.10 × 30,331.60
  4. Step 4: Simplify right side
    55,336.30x = 2,514,341,015.16
  5. Step 5: Solve for x
    x = 2,514,341,015.16/55,336.30
  6. Step 6: Final answer
    x = 45,437.46

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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.