Home / 53,719.80-80,551.85-28,433.02

Finding the Fourth Proportional to 53,719.80, 80,551.85 and 28,433.02

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Solution

The fourth proportional to 53,719.80, 80,551.85 and 28,433.02 is: 42,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,719.80 : 80,551.85 = 28,433.02 : x
  2. Step 2: Convert to fraction form
    53,719.80/80,551.85 = 28,433.02/x
  3. Step 3: Cross multiply
    53,719.80x = 80,551.85 × 28,433.02
  4. Step 4: Simplify right side
    53,719.80x = 2,290,331,959.33
  5. Step 5: Solve for x
    x = 2,290,331,959.33/53,719.80
  6. Step 6: Final answer
    x = 42,634.79

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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.