Home / 51,476.31-77,220.71-18,189.56

Finding the Fourth Proportional to 51,476.31, 77,220.71 and 18,189.56

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Solution

The fourth proportional to 51,476.31, 77,220.71 and 18,189.56 is: 27,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,476.31 : 77,220.71 = 18,189.56 : x
  2. Step 2: Convert to fraction form
    51,476.31/77,220.71 = 18,189.56/x
  3. Step 3: Cross multiply
    51,476.31x = 77,220.71 × 18,189.56
  4. Step 4: Simplify right side
    51,476.31x = 1,404,610,737.79
  5. Step 5: Solve for x
    x = 1,404,610,737.79/51,476.31
  6. Step 6: Final answer
    x = 27,286.55

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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.