Home / 55,819.04-77,030.96-30,668

Finding the Fourth Proportional to 55,819.04, 77,030.96 and 30,668

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Solution

The fourth proportional to 55,819.04, 77,030.96 and 30,668 is: 42,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,819.04 : 77,030.96 = 30,668 : x
  2. Step 2: Convert to fraction form
    55,819.04/77,030.96 = 30,668/x
  3. Step 3: Cross multiply
    55,819.04x = 77,030.96 × 30,668
  4. Step 4: Simplify right side
    55,819.04x = 2,362,385,481.28
  5. Step 5: Solve for x
    x = 2,362,385,481.28/55,819.04
  6. Step 6: Final answer
    x = 42,322.22

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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.