Home / 51,311.04-76,970.94-18,028.23

Finding the Fourth Proportional to 51,311.04, 76,970.94 and 18,028.23

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Solution

The fourth proportional to 51,311.04, 76,970.94 and 18,028.23 is: 27,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,311.04 : 76,970.94 = 18,028.23 : x
  2. Step 2: Convert to fraction form
    51,311.04/76,970.94 = 18,028.23/x
  3. Step 3: Cross multiply
    51,311.04x = 76,970.94 × 18,028.23
  4. Step 4: Simplify right side
    51,311.04x = 1,387,649,809.64
  5. Step 5: Solve for x
    x = 1,387,649,809.64/51,311.04
  6. Step 6: Final answer
    x = 27,043.88

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1.5x scale

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.