Home / 50,806.83-70,115.91-30,663.36

Finding the Fourth Proportional to 50,806.83, 70,115.91 and 30,663.36

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Solution

The fourth proportional to 50,806.83, 70,115.91 and 30,663.36 is: 42,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,806.83 : 70,115.91 = 30,663.36 : x
  2. Step 2: Convert to fraction form
    50,806.83/70,115.91 = 30,663.36/x
  3. Step 3: Cross multiply
    50,806.83x = 70,115.91 × 30,663.36
  4. Step 4: Simplify right side
    50,806.83x = 2,149,989,390.06
  5. Step 5: Solve for x
    x = 2,149,989,390.06/50,806.83
  6. Step 6: Final answer
    x = 42,316.94

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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.