Home / 50,721.48-69,996.11-28,059.93

Finding the Fourth Proportional to 50,721.48, 69,996.11 and 28,059.93

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Solution

The fourth proportional to 50,721.48, 69,996.11 and 28,059.93 is: 38,722.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,721.48 : 69,996.11 = 28,059.93 : x
  2. Step 2: Convert to fraction form
    50,721.48/69,996.11 = 28,059.93/x
  3. Step 3: Cross multiply
    50,721.48x = 69,996.11 × 28,059.93
  4. Step 4: Simplify right side
    50,721.48x = 1,964,085,806.57
  5. Step 5: Solve for x
    x = 1,964,085,806.57/50,721.48
  6. Step 6: Final answer
    x = 38,722.96

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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.