Home / 51,809.20-71,496.80-30,589.82

Finding the Fourth Proportional to 51,809.20, 71,496.80 and 30,589.82

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Solution

The fourth proportional to 51,809.20, 71,496.80 and 30,589.82 is: 42,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,809.20 : 71,496.80 = 30,589.82 : x
  2. Step 2: Convert to fraction form
    51,809.20/71,496.80 = 30,589.82/x
  3. Step 3: Cross multiply
    51,809.20x = 71,496.80 × 30,589.82
  4. Step 4: Simplify right side
    51,809.20x = 2,187,074,242.58
  5. Step 5: Solve for x
    x = 2,187,074,242.58/51,809.20
  6. Step 6: Final answer
    x = 42,214.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.