Home / 55,930.87-77,183.35-30,437.32

Finding the Fourth Proportional to 55,930.87, 77,183.35 and 30,437.32

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Solution

The fourth proportional to 55,930.87, 77,183.35 and 30,437.32 is: 42,002.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,930.87 : 77,183.35 = 30,437.32 : x
  2. Step 2: Convert to fraction form
    55,930.87/77,183.35 = 30,437.32/x
  3. Step 3: Cross multiply
    55,930.87x = 77,183.35 × 30,437.32
  4. Step 4: Simplify right side
    55,930.87x = 2,349,254,198.29
  5. Step 5: Solve for x
    x = 2,349,254,198.29/55,930.87
  6. Step 6: Final answer
    x = 42,002.82

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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.