Home / 51,491.40-77,237.16-18,193.24

Finding the Fourth Proportional to 51,491.40, 77,237.16 and 18,193.24

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Solution

The fourth proportional to 51,491.40, 77,237.16 and 18,193.24 is: 27,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,491.40 : 77,237.16 = 18,193.24 : x
  2. Step 2: Convert to fraction form
    51,491.40/77,237.16 = 18,193.24/x
  3. Step 3: Cross multiply
    51,491.40x = 77,237.16 × 18,193.24
  4. Step 4: Simplify right side
    51,491.40x = 1,405,194,188.80
  5. Step 5: Solve for x
    x = 1,405,194,188.80/51,491.40
  6. Step 6: Final answer
    x = 27,289.88

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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.