Home / 51,280.79-76,933.58-19,260.14

Finding the Fourth Proportional to 51,280.79, 76,933.58 and 19,260.14

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Solution

The fourth proportional to 51,280.79, 76,933.58 and 19,260.14 is: 28,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,280.79 : 76,933.58 = 19,260.14 : x
  2. Step 2: Convert to fraction form
    51,280.79/76,933.58 = 19,260.14/x
  3. Step 3: Cross multiply
    51,280.79x = 76,933.58 × 19,260.14
  4. Step 4: Simplify right side
    51,280.79x = 1,481,751,040.53
  5. Step 5: Solve for x
    x = 1,481,751,040.53/51,280.79
  6. Step 6: Final answer
    x = 28,894.86

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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.