Home / 50,721.49-69,989.58-29,218.24

Finding the Fourth Proportional to 50,721.49, 69,989.58 and 29,218.24

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Solution

The fourth proportional to 50,721.49, 69,989.58 and 29,218.24 is: 40,317.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,721.49 : 69,989.58 = 29,218.24 : x
  2. Step 2: Convert to fraction form
    50,721.49/69,989.58 = 29,218.24/x
  3. Step 3: Cross multiply
    50,721.49x = 69,989.58 × 29,218.24
  4. Step 4: Simplify right side
    50,721.49x = 2,044,972,345.94
  5. Step 5: Solve for x
    x = 2,044,972,345.94/50,721.49
  6. Step 6: Final answer
    x = 40,317.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.