Home / 53,973.10-80,996.10-30,280.60

Finding the Fourth Proportional to 53,973.10, 80,996.10 and 30,280.60

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Solution

The fourth proportional to 53,973.10, 80,996.10 and 30,280.60 is: 45,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,973.10 : 80,996.10 = 30,280.60 : x
  2. Step 2: Convert to fraction form
    53,973.10/80,996.10 = 30,280.60/x
  3. Step 3: Cross multiply
    53,973.10x = 80,996.10 × 30,280.60
  4. Step 4: Simplify right side
    53,973.10x = 2,452,610,505.66
  5. Step 5: Solve for x
    x = 2,452,610,505.66/53,973.10
  6. Step 6: Final answer
    x = 45,441.35

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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.