Home / 50,918.91-76,377.53-20,927.07

Finding the Fourth Proportional to 50,918.91, 76,377.53 and 20,927.07

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Solution

The fourth proportional to 50,918.91, 76,377.53 and 20,927.07 is: 31,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,918.91 : 76,377.53 = 20,927.07 : x
  2. Step 2: Convert to fraction form
    50,918.91/76,377.53 = 20,927.07/x
  3. Step 3: Cross multiply
    50,918.91x = 76,377.53 × 20,927.07
  4. Step 4: Simplify right side
    50,918.91x = 1,598,357,812.10
  5. Step 5: Solve for x
    x = 1,598,357,812.10/50,918.91
  6. Step 6: Final answer
    x = 31,390.26

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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.