Home / 51,155.96-76,721.80-19,554.42

Finding the Fourth Proportional to 51,155.96, 76,721.80 and 19,554.42

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Solution

The fourth proportional to 51,155.96, 76,721.80 and 19,554.42 is: 29,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,155.96 : 76,721.80 = 19,554.42 : x
  2. Step 2: Convert to fraction form
    51,155.96/76,721.80 = 19,554.42/x
  3. Step 3: Cross multiply
    51,155.96x = 76,721.80 × 19,554.42
  4. Step 4: Simplify right side
    51,155.96x = 1,500,250,300.36
  5. Step 5: Solve for x
    x = 1,500,250,300.36/51,155.96
  6. Step 6: Final answer
    x = 29,326.99

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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.