Home / 53,670.20-80,482.82-20,371.91

Finding the Fourth Proportional to 53,670.20, 80,482.82 and 20,371.91

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Solution

The fourth proportional to 53,670.20, 80,482.82 and 20,371.91 is: 30,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,670.20 : 80,482.82 = 20,371.91 : x
  2. Step 2: Convert to fraction form
    53,670.20/80,482.82 = 20,371.91/x
  3. Step 3: Cross multiply
    53,670.20x = 80,482.82 × 20,371.91
  4. Step 4: Simplify right side
    53,670.20x = 1,639,588,261.31
  5. Step 5: Solve for x
    x = 1,639,588,261.31/53,670.20
  6. Step 6: Final answer
    x = 30,549.33

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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.